Top definition
The act of aligning the penis with a tight vagina to allow for simple harmonic motion, resulting in human propagation.
This chick got an 'A' by doing a reciprocal-ordination-of-the-coordinates with the lecturer in her dorm room.
by cockG September 11, 2010
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