Top definition
The person who is on standby when your original plan fails. Someone who you can count on, but really would rather not.

Gracie: Gee, I know I said we would do dinner, but something better came along!!
Loni: Oh, wow, I understand, I am just so disappointed!
Gracie: Ok, but if my better plans fail, Then I will call you as the backup fuck!
Loni: Great!! Love you!
by sgtpepperanderson October 15, 2008
Mug icon

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