verb.
To compensate for an elastic/loose anus or slim penis by fully inserting a Fleshlight or similar device into the anus of a partner and subsequently copulating.
noun.
A shaft within another hollow shaft, as in a penis within a Fleshlight or pocket vagina.
verb.
I wouldn't have felt a thing in Mary Kate's stool drooling ass pipe if i didn't quill shaft her.
noun.
I didn't have a condom so I punished her ass with a quill shaft.
the gobbleshaft can be best defined as the act of holding the woman by the ears then proceeding to thrust repeatedly in her mouth until climax then soon after you flip her over and penetrate her asshole in one stroke hence giving her the shaft
some dude: Yo I gobble shafted the hell out of her!!
Adam likes to gobble shaft the ladies 24/7