What is Skully Monster?
1.
A female(or male I suppose) who loves to give head and does it often.
Eric : "Andrew, I'm going over to Bre's to hang out with Karen this weekend."
Andrew : "Are you going to get your squirt?"
Eric : "I'm not sure. Hopefully she is a Skully Monster and likes to give head, because I am holding off on the sex."
Andrew : "Yea that's cool, just as long as you get your squirt."
See