You guys are gonna have to come with another term. "tail piping" sounds a little to sexual, or maybe im just a perv. SOOOO i decided to google it...and
Urban Dictionary: tailpiping
http://www.urbandictionary.com/defin...;CachedSimilar
tailpiping. To have sexual intercourse with a tailpipe. Also known as Howarding.
This act also refers to anal intercourse with someone who has a hot rusty anal ...
Urban Dictionary: Tailpipe
http://www.urbandictionary.com/defin...;CachedSimilar
by Sam February 20, 2004. 43 36. Shop. 4. tail-pipe. when someone has anal
*** before loosing their virginity. Jennifer is a total tail-pipe. by fart brain March
30, ...
I think my case stands for itself.