When a lesbian grandma slaps her boobs on the vagina of another female then flips it over
"Margaret was flipping the flapjacks on the oyster good last night"
"I am going to be flipping the flapjacks on the oyster with Elinor tonight"
Slapping the male genitalia against the female genitalia so hard the male swells from agitation and looks like a corndog beating an oyster
"Damn dude I'm so sore from beating an oyster with a corndog last night"
"I am going to ask my girl if we can try beating an oyster with a corndog tonight but I'm nervous she'll say no