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Making out with someone in a field or grassy slope.
"I went grassin' with Sally yesterday. Good times!"
by JimmyRK October 30, 2016
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Aug 4 Word of the Day
Man's greatest invention, brain bleach removes bad memories and general DO NOT WANT moments. Every household should have a few gallons.
1: Dude, I just walked in on my parents.
2: Have some Brain Bleach!
by Andikun November 06, 2007
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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.

Guy 2: Dude, you're grassin.
by (Bryce) October 24, 2008
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