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1.
acronym for totally not invited.
What?! You guys went to the movies with out me ? T.N.I !!
by Kat_Attack December 27, 2009
12 1

Words related to T.N.I:

invitation invited not invited reject tag along
 
2.
TNI
Tactical Nuke inbound

this means that a really fat human is coming ur way to bother u
look that TNI is coming our way.
by jokes alot April 06, 2011
3 2
 
3.
TNI
TNI means "till next insight" used on many MMORPG's. Also meaning, how much experience till your next level?
Hey, how much TNI?
by CSTRIKEshogun August 19, 2003
5 5