When a male continuously strokes the clitoris of a female vagina with his knuckles, while at the same time he masturbates.
Last night me and my boyfriend had sex at the montage. As he pulled out he began to masturbate and give me courtesy knuckles. It was a blast!
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