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Acronym for Random Hard On.
Why do I always get RHOs at the worst times
by Norm Huizenga February 14, 2008
1. Rho is a word used to describe anything that is hurt
2. Rho is anyone that is not allowed to come snerp and yertle at dollar pitchers
3. Rho is the poop between Pi and Sigma
Harris: Yo you coming out tonight?
Eli: Naw I am chilling with Lior!
Harris: That is so Rho.
by DD's A team April 16, 2009