a mythical creature usually found around the festive Halloween season. Is known to jump out of bushes and scare little kids with a rank smell. Usually worshiped by fags and demented people. Rumored to have an idol fashioned to look like someone's butt crack. Beware of and stay clear or rank smelling places or establishments that fags are known to frequent.
Watch out kiddies the assgoblins will be out tonight. Hey fella how bout we go find us some assgoblins for dates. What's that smell? there must be a assgoblin around here somewhere.
1) Someone who is such a pain in the ass that they go above and beyond it. 2) A wedgie so severe it involves the ripping of the undershorts. 3) An elderly man's sweaty scrotum getting stuck in his ass when he sits down (see also cracking nuts, butt dumplings)