Oral sex euphemisms:
Muff diving
Eating at the Y
70's t-shirt "MUFF DIVERS CLUB, NO MUFF TOO TUFF, WE DIVE AT FIVE" With a triangular snatch in the center wearing fins, scuba mask and a snorkel
And the never to be forgotten t-shirt with the two geese humping while flying, with very satisfied expressions I might add!
The slogan--"FLY UNITED"