look up any word, like blumpkin:
 
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
 
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