4
A penis that is under 4 inches in length when hard. Anything over 4 inches can be refered to as dick, cock, ect.
"Hahahaha, she said that max had a weewee"

"I need a cock pump for my weewee"
by j-john July 26, 2006
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6
An extremely tiny penis that is barely able to be called a penis; A laughably small penis.
When Ryan's swimming trunks fell off, he didn't realize it and stepped out of the water. Us girls all laughed at his tiny, hairless wee wee!
by super hot Sarah May 12, 2010
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7
Boy: look at my shlong!
Girls: ahahahhahaha! u got a wee wee!
by J 0 K A February 25, 2005
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