When one goes to insert a penis into their mouth too quickly and they miss. This causes the boner to graze against their cheek.
"That chick last night was hammered...she was giving more of a grazejob than a blowjob"
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