look up any word, like dirty sanchez:
 
1.
A Marty Dog is a tall ginger male whore, someone who really enjoys sex with either females or males, most have unibrows and scraggly beards. Sometimes are crackheads.
"I hooked up with that chick from last night!" Jim said. Mark replied, " Bro, she was a Marty Dog."
by dabombhowie May 28, 2014