When you go to kiss your grandma goodbye and she slips you the tongue.
Steven Hawking
A lesbian with a hard on.
A whale-barrow!
You wait until last call and use a good pick up line.
when it slips out.
A: He goes into the barn and slips inside a warm Jersey
You use tulips.
A Conquistador!
Going to kiss your grandmother goodnight and she slips you the tongue.