1 definition by da smartist mann aliffe

Top Definition
A remark made when someone needs to move along, or to disregard an insignificant setback.
Jack: I got a 97 on my final, I'm so mad!

Beth: Tough toenails. You need to put on your big boy pants and get over it.
by da smartist mann aliffe June 16, 2016

Mug icon
Buy a Tough toenails mug!