Hairy Checkbook Share definition Flag A female's occasional use of sexual favours to pay the bills. Single Mum says "I have 2 kids. When money gets too tight, I just get out the hairy checkbook." Hairy Checkbook by Slider68 August 25, 2013 0 0 Get merch Get the Hairy Checkbook mug. Buy Now — $32.95 See more merch