Comes from an athlete's idea of "walking off" an ailment. It can be applied to many things, such as someone after taking it in the ass, getting into a fight, being "put down," etc.
"Last night I gave it to her hard... she's going to have to walk it out for a while."
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