look up any word, like cunt:
 
2.
Having sex; Fucking; the act of engaging in sexual intercourse.
I walked in on my homeboy crashin' my girlfriend, I was so pissed I kicked his ass and dumped her.
by TeeBee July 04, 2007
 
1.
Coming over or leaving
Yo Patrick im crashin your house at 3.
Yo im crashin see you later
by Big Black One March 11, 2012