1. When a person gets bruh'd so much that you will physically be pushed backwards by the bruh force.
2. Using an insane amount of bruh force to physically push the bruh receiver backwards.
Person 1: Ayo bruh what happened to Person 2 yesterday?
Person 3: He got hitwit da bruh momentum.
A fancy term in the field of fluid mechanics that really just describes the boundary layer momentum thickness. No one really knows what it is, what it does, or how to use it - not even the teacher.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.