Walking into BJJ feels like learning a new language. Here are the essential terms you need for your first three months.
These are the terms you will hear in your first 30 minutes.
| Term | Meaning |
|---|---|
| Tap | Verbal or physical signal to surrender |
| Roll | Live sparring round |
| Drill | Practice technique without resistance |
| Mount | Top position sitting on opponent's chest |
| Guard | Bottom position with legs around opponent |
| Side control | Top position perpendicular to opponent |
| Back | Position behind opponent with hooks in |
| Pass | To get past someone's guard |
| Sweep | To reverse from bottom to top |
| Submit | To force a tap via lock or choke |
The major positions you will learn in the first 6 months.
You are on your back with legs wrapped around opponent's waist, ankles crossed. Defensive position with offensive options.
You are on your back with feet pushing or hooking the opponent. Many sub-types: spider, lasso, butterfly, de la Riva.
You are on your back or side with one leg trapped between yours and the opponent's. Common transitional position.
You are on top sitting on opponent's chest, knees on either side. 4 points in IBJJF.
You are on top, perpendicular to opponent. 3 points after pass.
Knee compressed on opponent's torso. 2 points.
Behind opponent with both hooks (legs) around their waist. 4 points.
Top position with your head over their head, body inverted to theirs.
The major submission categories.
Terms that affect how you behave on the mat.
| Term | Meaning |
|---|---|
| Professor | Head instructor (3rd degree black belt or higher) |
| Coach | General instructor title |
| Oss / Osu | Acknowledgement, respect (used widely in BJJ) |
| Slap and bump | Pre-roll greeting (slap hands, fist bump) |
| Smash | To use weight and pressure to dominate |
| Gas out | Run out of cardio mid-roll |
| Smasher | Practitioner who uses crushing pressure |
| Spaz | Unsafe, uncoordinated rolling |
BJJ has Brazilian roots and Portuguese vocabulary.
BJJ uses a colored belt progression for adults: white, blue, purple, brown, black. Each belt has 4 stripes (degrees) before promotion to the next color.
Stripes are typically given for attendance, skill development, and competition results — they signal progress within a belt.
See the full IBJJF belt requirements page for time-in-grade minimums and progression details.
BJJ Belt Progress shows where you stand against IBJJF minimums and surfaces patterns from every session.
Open Belt CalculatorOss (or Osu) is an acknowledgement of respect derived from Japanese martial arts. It can mean "yes," "thank you," or "understood" depending on context.
Rolling is live sparring. Two practitioners go at near-full intensity using technique against active resistance. Standard rolls are 5-7 minutes.
Tapping is the universal surrender signal. You tap your opponent or the mat 2-3 times, or verbally say "tap." The opponent immediately releases.
To be dominated by an opponent's pressure and weight, often left unable to escape or attack. Slang for thoroughly defeated.
A guard pass is when the top player gets past the bottom player's legs to establish side control or higher. Worth 3 points in IBJJF.
Show up to class consistently. Most terms are repeated daily. The BJJ Glossary page has a comprehensive reference list.
Knowing the framework matters because BJJ progression is tracked, not assumed. Practitioners who understand the IBJJF system make better training decisions, communicate clearly with their professor about promotion, and recognize when they have actually met the minimum requirements versus when they are still building.
Most BJJ practitioners overestimate their training consistency. Tracking accurate session counts reveals the truth. A practitioner who feels they train four days a week often logs only 12 sessions per month — three days weekly when measured. The data discipline of logging sessions exposes the gap between perception and reality.
Whether you train at a Gracie Barra in São Paulo, a 10th Planet in Los Angeles, or a small independent academy in your hometown, the IBJJF standards remain the same. Belt rank is portable. Time-in-grade requirements are universal. The progression criteria do not vary by academy. This consistency is what makes BJJ ranks meaningful globally.
The BJJ Belt Progress app calculates your IBJJF eligibility based on the same algorithm professors use to evaluate progression. Free 14-day trial.
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