1 definition by Shaggin waggin
When a man lowers his head and the women opens her labia flaps to resemble a swim cap going over someone’s head.
Bert: “So how was your night last night with Gertrude?”
Ernie: “It was good she let me give her the good ole human swim cap!”
Ernie: “It was good she let me give her the good ole human swim cap!”
by Shaggin waggin February 4, 2023