a small dog such as a chihuahua that is often carried around in a purse or handbag by celebrities like Paris Hilton
In the movie "Legally Blonde" Reese Witherspoon had a purse dog named Brewster.
by Michael_Hunt May 25, 2008
a male (usually) in a relationship with a sugar mama. so called because you keep that nigga in pocket, next to your wallet; layin on a bed of spare change, uncomfortable as shit.
Her new boyfriend was a total purse dog, she bought him everything and he lives at her house.
by acesslick August 20, 2012