Translated literally this means, expose your testes. Figuratively, it means to show your true colors. This phrase can be used in discussion with those who do not demonstrate integrity; people that are fake and frontin. Used in a call out of someone.
Ricer 1: Your Honda Civic can't touch my Acura Integra.
Ricer 2: Cmon dog, I got VTEC.
Ricer 1: You idiot, so do I! $50 says I smoke you!
Ricer 2: Nah, man. I got to head out before my mom gets pissed.
Ricer 1: Let em hang dog! Let em hang!
Ricer 2: Whatever.
Ricer 1: You're such a homo.
Ricer 2: Cmon dog, I got VTEC.
Ricer 1: You idiot, so do I! $50 says I smoke you!
Ricer 2: Nah, man. I got to head out before my mom gets pissed.
Ricer 1: Let em hang dog! Let em hang!
Ricer 2: Whatever.
Ricer 1: You're such a homo.
by Da Internet Gangsta June 9, 2006