Short for 'The More You Know.'
Jessica: Turns out bald people have feelings too.
Brian: tmyn, dude. tmyn. :L

Adam: I had no idea that 14 people get raped by dolphins every year. tmyn!
Obama: Looks like someone brought their friend, 'Mr. Fun Facts About Porpoises."
Adam: And it looks like someone else brought their friend, "Captain Obvious."
by TheChillestThem October 11, 2015
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