1 definition by noob killer! hax

Top Definition
a joke that is formed with a select few people. Later when a certain word is shouted (like ex. cheese grater) the people "inside" will laugh hystericly while others will only be confused.
some inside jokes with my friends

cheese grater
its huge!

see? if i said that you wouldnt get it, but my friends would
by noob killer! hax October 02, 2005

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