2 definitions by Ashtomus Prime

Acronym of "Toughen the fuck up".
Dude No 1: I really dont feel so good..
Dude No 2: You know what you need? A nice big glass of TTFU.
by Ashtomus Prime August 26, 2007
Get the TTFU mug.
I was afraid I was going to peg out.

Yeah, we gave him defib but it didn't help, he still pegged out.
by Ashtomus Prime June 4, 2009
Get the Peg out mug.