Definitions by Raspberry, Scourge of the BKLounge

Chin Wank 

When a male proceeds to have intercourse in the excessively large chin/neck area of an obese woman.

As the fat ass walked by, my friend pointed and said. "She's so fat, she could give you a chin wank."

Chin Wank by Raspberry, Scourge of the BKLounge April 28, 2007