Top definition
Means when, you say a joke so funny that even you have to laugh, even if you are the only one. Though it's kinda lame laughing with yourself, but, you just cant help yourself :)
haha, knock knock, whos there? boo..boo who?
ohh dont cry its only a joke...HAHAHA

ohh i love crackin myself up
by LBK:) June 22, 2009
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