laughrodisiac 

the stimulation of sexual desire through humor.

His jokes served as a laughrodisiac, and the girl looked at him with desire flashing in her eyes.

laughrodisiac by OsirusR July 14, 2009

Laughrodisiac 

A person who is turned on sexually by another's sense of humor. Also: Chuckle Fucker.

"Man, Sheila has been naked with every guy at the Improv. She's a total laughrodisiac."

Laughrodisiac by litigious1 February 19, 2014