A Kenny blowjob is when a girl sucks a dick and moans as she does it, making her sound muffled. Much like how the character Kenny McCormick muffles when he is talking.
by KyKyBitch March 22, 2019
Don't go out with Lisa: she'll give you a kenny g blowjob and you'll sleep through the entire thing!
by MonteMelnick June 07, 2016