Top Definition
used to insult someone who constanly smokes weed
shut up u fucking bong rat
by jozbanger charlie April 03, 2005
A weedy rat faced bogan woman who smokes pot
What a fat bong rat!
by shizzle November 27, 2003
a person who smoke marijuana at least once a day
cain - "let's go for a smoke"

matt - "yeah, i got heaps of choof"

alvin - "fuck, you guys are bong-rats"
by hobskiz September 20, 2008
A chick that smokes too many Bongs before starting work at the pizza shop
Person 1 "Barb? Are you ripping another?"
Person 2 "Huh-huh yeah Wilko. I am such a Bong Rat!"
Person 1 "But you start at Porch's in 5 minutes!"
Person 2 "Did you not hear me? I said I'm a BONG RAT!"
Person 3 "She is."
by Shaun Wilk0 May 27, 2007

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