Top Definition
when someone is referring to your very unattractive backpack. so therefore they are mocking you and they are calling it a knapsack
"AYYY JOHN!! NICE KNAPSACK YA GOT THERE!"

sometimes, this word can be said like you have a lisp. and it would be spelled like this: knapshack
by slaponte April 30, 2007
5 Words related to nice knapsack

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