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1 definition by Joey Twina

 
1.
TWINA stands for Thumb Wrestling In Nick's Anus. As this practice becomes more commonplace, participants find that the use of the TWINA acronym is more convenient.

See also thumbwrestlinginnicksanus.
See also analthumbwrestling.
Anyone up for some TWINA?
My thumbs are sore from last night's TWINA match.
by Joey Twina August 10, 2004