What is 75?
An interstate going from Miami north to Michigan and the Canadian border.
75 is the worst road in America except with a few small mountains in Georgia, Tennessee and Kentucky.
Where a man lays on the edge of a bed with his legs relaxed over the edge; with an erect penis he makes love in between the knees of his partner who is lying on their back with their legs straight up in the air and have their knees bent. After the sexual climax is reached the male partner on the edge of the bed "shoots his load past the knees down into the "floor partners bunghole.
Strapping young lad: Well my dearist how would you like to "75" tonight?
"Horny" young woman: Oh yes baby i would oove to share a rousing "75" with you.