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1.
Someone is the opposite of the deliciousness that defines a Krabby Patty.
He was so gross, he was a Krappy Patty
by KTSobreCasa November 16, 2011
 
2.
Those horrible horrible krabbie pattys from spongebob
Spongebob: would you like a krabbie patty fish: don't you mean Krappy pattys... Budumsssss
by Psudonym98 December 05, 2013