The action of hiding in a grass field because the police has just busted the party that has underage drinking involved or any other form of illegal activity.
Jack went grassing last night and almost got caught when the patrol car drove by.
Grassing out vocalizes the act of someone passing out or being overwhelmed and choking before, after or during presentsmoke caused by fumes induced by incinerated Cannabis leaves.
dude 1: first bong ever WHOOOOO I'm gonna get soo high
dude 2: go on man take a hit
1 minute later while dude one is Grassing Out
dude 2: WHoa bro he tots grassed out
The Dude: Far out man, far out.
The act of saying something outrageous that is clearly not true or enormously exaggerated.
Guy 1: So, like 10 guys jumped me last night and i took them all on and won and then stole their wallets and then hooked up with all their girlfriends.