Rude Verbs
усра́ться
usrat'sya
(vulgar) to shit one's pants, to shit oneself; (vulgar) to get frightened, to chicken out; (vulgar) to make fun out of something, consider something extremely funny, profusely laugh about it, laugh one's ass off over something; (vulgar) to show extreme effort in doing or trying to do something
Usage
Vulgar