Something a girl does in order to prolong a sex for a man, particularly a man who ejaculates prematurely.
Man: "What the fuck is a yonic pretzel?"
Woman: "Its like" a negative kagel"
Man: "A negative what?"
Woman: "Ok its just complicated vagina shit, everytime you think your gonna blow (cum), you just pinch me and that will be my cue to pretzel ok?"