When a male or female gently places their lips on the head of the penis, which they suction like a fish; while slowly cradling the testicles until the male of female is covered in the spunk.
Carol would you mind cocksuckling me?
A person who frequently masturbates in their snuggie.
Person 1: Did you hear that Drew got a snuggie for his birthday?
Person 2: Yeah I heard hes a snuggle stil skin because he masturbates in it.