humdinger ?
"Intrigued by the possible etymology of the American expression humdinger, she read in a dictionary of slang that it was a contraction of humming and dinger. This led to the discovery that humming too has an unrelated sexual connotation. "
And once upon a time in (parts of) the counterweight continent "dinger" also had a sexual connotation.
As Dabbsy really ought to be aware of, given that his column (fnarr fnarr) is called Something for the weekend.
Biting the hand that feeds IT
