Top definition
An oral sex technique where a person slides their mouth up and down a penis shaft while breathing or murmuring into it, like a harmonica.
She had a reputation for giving great harmonicock.
by Faster Redhead September 12, 2017
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