1 definition by Alpha Wolf 13th Brigade

Top Definition
The act of putting multiple strap ons on your back, lying down, and having multiple people ride said strap ons, whilst vigorously doing the worm.
Mickey and some of his friends are trying the dorsal fin tonight.
by Alpha Wolf 13th Brigade May 11, 2013

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