1 definition by Just Kiddin'

Top Definition
An internet acronym for But Then I Realized, usually will come before a punchline. (Common in Tweeter.)
Also just "TIR - then I realized" & "ATIR - And then I realized"
I was gonna go to church, BTIR there's no god
by Just Kiddin' April 14, 2011

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug