When the lower back area usually designated for the tramp stamp is left clean on purpose, but is surrounded by all sorts of tattoos instead.
Stacey: I will never get a tramp stamp...that part of my back will remain clean!
George: But that spot is surrounded by tattoos! It's a tramp stamp by association!
George: But that spot is surrounded by tattoos! It's a tramp stamp by association!
by ShooterMc June 9, 2011
Get the Tramp Stamp by Associationmug.