The definition of "Twoon" is half a twat and a loon
You're a TWOONNNNNNN!!!!!!!!!!!!
by Amy Elizabeth October 21, 2007
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another word for a vagina

mix of twat and poon.

can also be used as an insult.
dude,i fingered the shit out of her twoon.

ohh yes, this twoon feels like im eatin a cheesecake and fuckin it too.

time to get some TWOONTANG BOYS.

fuck that danny kid is ssuch a twoon.
by twoonmaster May 12, 2010
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