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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Pronounciation of "Yes, yes." in french.
Usually spelt "Oui, oui."
"I em French! You see? Weewee, lissen to my outwrageous fronch acceent!"
(see monty python & the holy grail)
by anon. August 24, 2004
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Adrian: "Take my big weewee!"
Angela proceeds to actually explode from horniness
by Suckika January 27, 2019
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