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1.
Stands for "get drunk before you flunk". Commonly used in colleges across the country the week before finals.
"Hey are you going to the GDBYF party?"
"Yeah, but I have to go to the library after..."
by vegaswedding989 December 06, 2009
 
2.
Get Drunk Before You Flunk.

Biannual party occuring on the last day of classes before finals.

Lots of kegs. Lots of liquor.

get fucked up!
"I can't wait for GDBYF because finals are gonna kick my ass"
by lindsaloo December 01, 2009