Top definition
The act of fellatio, underwater.

E.g. In a bath, pool, the sea...
Molly held her breath as she submerged her head underwater to give Rob the best sub-aquatic blowjob of his life
by Little lion man January 26, 2013
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