look up any word, like thot:
 
1.
Northern Irish (Ulster Scots) equivalent of 'that'.
Thon girl has a face like a busted sofa.

Thon boy thonder, he's a pure eejit.
by nornironlad89 July 19, 2010
 
2.
A third person singular gender neutral pronoun. The possessive of "thon" is "thon's" and the reflexive is "thonself".
That person is a millionaire thonself.
by Fomt July 27, 2006
 
3.
Another word biceps/triceps. Derived from the word pythons. This word is often used by meatheads and frequent gym users.
Hey what you training today brah? Going to train thons
by marcus ruhl June 26, 2010
 
4.
hardcore runner slang for marathon.
i'm running the thon
how was your thon?
i am thonning
i thonned
i am a thonner
i'm too sore to thon, i'll do a half-thon instead.
let's do an ultra-thon
by claytonoff June 12, 2010
 
5.
Word used to attract attention of people with very blonde hair, normally quite short and happen to have a birthmark on their face. It comes from the latin name Amython. Also common are Thonatron, Thonalie and Blon. Especially appropriate in France, meaning tuna.
THONN!!

yes.
by Edgar George July 27, 2009
 
6.
A act of being with a collection of people who smell each others faces and constantly hang out. Sometimes for weeks at a time.
I'm gonna thon it up in New York!!!
by remember me please December 01, 2009
 
7.
A third person singular gender neutral pronoun. The possessive of "thon" is "thon's" and the reflexive is "thonself".
That person is a millionaire thonself.
by Fomt July 27, 2006