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1) Someone with horrible/big teeth.

2) Someone who can't sing

3) Someone who has random creepy stares when the music pauses.

4) Someone who may be mentally retarded.
"Oh my goodness, did you see her teeth? Nichole337 is such a Toothy."
by Toothy Fan August 19, 2009
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2
(adj) second rate falatio that is usually painful because of the overuse of teeth.
She gives good head but it was kinda toothy.
by mikealika August 23, 2007
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3
having a massive grin, usually to the extent where the teeth overshadow the rest of the face
That chick is so toothy you have to wonder who's the star of the show. Her or her teeth?

Toothy celebrities include:
by Robert GP September 04, 2006
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5
To get mouthy with someone. To show tooth.
That broads gett'n awful toothy over there. If that hooker mouth shows tooth she's getting the boot.
by Sir Captain of Wynn Bay May 04, 2005
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7
To Toothy someone is to correct there spelling AND/OR grammar AND/OR pronunciation in an incredibly anal way.
(20:46:57) (@Siffy) I wan't more stargate sg1s tbh
(20:49:46) (@Toothy) No, you want more sg1's to be honest.
by YONick April 03, 2007
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