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2.
term often used for a person to indicate his character. Relating to gupping.
He is a big gupper.
by anshalt January 12, 2013
 
1.
it means yes, but when people dont know what it is we say it is a bad word
A bad word:
Jeff: Are you going to Tyler's party?
Alice: guppers
Jeff: omg!!

Yes:
Jeff: Are you going to Tyler's party?
Alice: guppers
Jeff: cool, see you there
by ALIZA!!! August 11, 2004