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6.
A tattoo on the lower back of a female. Denotes the perceived correlation between having a tattoo in this location and being sexually promiscuous. The larger the tramp stamp, the more promiscuous the female, goes the common lore. Popular designs include butterflies, flowers, vines, tribal designs, wings....
Guy 1: "Did you see her tramp stamp?"
Guy 2: "Yup, just like a target saying, 'fuck me down here'."
by DrRocinante May 10, 2006
 
43.
a cheap, cliched tattoo popular amongst premiscuous women
She had a vast collection of tramp-stamps, one was prominently displayed on the small of her back.
by Osmond Foster July 21, 2009
 
44.
a tattoo
"Nice tramp stamp."
by mcappleyx3 May 09, 2010
 
45.
The term given in relation to a tattoo on the lower back area of a woman.

This term is generally used by idiots and morons who don't know any better and think that a woman with a tattoo on her lower back is going to put out for them.
Moron: I saw her tramp stamp and knew I was on to a sure thing!
by Hevsyuk October 20, 2008
 
46.
A tattoo located on a womans back, just above her ass that often suggests a promiscuous nature. In the adult film industry it can also be used to identify actresses participating in sex scenes when only the genitals are visible.
I recognize the tramp stamp on that ass he's bending over! He's doing my ex, Helen!!
by tbx344 February 06, 2014
 
47.
Once thought to refer to a lower back tattoo, tramp stamp can now refer to any tattoo placement on a woman's body. So long as the tattoo reads "chivette".
Todd: "Did you see Monica's new tattoo?"
Frank: "You mean the chivette tat?"
Todd: "yeah she got herself a new tramp stamp!"
by Calm Keeper August 17, 2013
 
48.
putting a bumper sticker on a rolls-royce
bumper sticker : Rolls-royce :: tramp stamp: place above girl's butt-crack
by harthart March 12, 2011
 
49.
A lower back tattoo, often having a slutty remark such as "All Aboard" or "Enter if you dare." Often enticing people to have sex with him or her.
Dude! I just read her tramp stamp! Should I go out with her?
by Pamiethehedgehog February 02, 2011