bratwurst bellyflop
When a man and a woman are performing the sex act of 69 with the man on top. The man, out of nowhere, does a bellyflop on top of the woman, therefore, thursting his dick down her throat and causing momentary choking
"So me and my girl were 69ing last night when all of a sudden i bratwurst bellyflopped her, she has had a sore throat ever since"