Munching your boyfriend's hairy asshole for so long you develop lockjaw.
Dude is assgobblin like a fizziend, suddenly he can't shut his mouth: "Dawwwm howwwney, Iww cawwn't clowwse mywww jawwwws."
Dude 2 "Too much assgoblin, baby, here let me rub your cheeks."
A gobblin that originates from the ass. Usally used as an insult.
"Your an assgobblin."