To receive a serious blow, or to be involved in a fall or crash. Can also used to be described someone who has been seriously insulted or emotionally hurt.
Dude, did you see the guy on the bike who feel and smashed his face? He got soooo chonched!
When I told that guy his girlfriend was ugly, he was pretty chonched
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.