When one sexual partner put their entire head into the asshole of the other partner until they pass out.
Scott: "Hey Chad, how was your date with that girl from tinder?"
Chad: "It was really weird, we didn't except goongieying. I can't smell anything except shit now."
Originally spotted as a vanity license plate in Canada, goonge is a foul word for a vagina, but can also be used as an adjective. A step above "pussy" but a step below "cunt" on the severity scale.