Top Definition
Planning masturbation at the same time as your counterpart. Not necessarily in the same room, synchronized masturbation can be done over text, video chat, ect. Pictures and videos are often exchanged during synchronized masturbation.
Guy 1:"Dude, me and April were doing synchronized masturbation last night!"
Guy 2:"Did you get any picture?"
Guy 1:"Nah man, better, I got a video. I chummed hard man!"
by Short Kicker August 19, 2014

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The professional artistic form of the circle jerk. Usually requires lots of practice and an over-familiarity with ones friends. It is usually performed in a dark room

Related sports: Fasturbation
He's a gold metalist in Synchronized Masturbation, you can tell by the callouses and the well developed foreams.
by smojo100 March 16, 2009

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

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

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt