Definitions by Sherbert Williams

R1O 

Rub one out, Another term for masturbating. Another form of the word is R1O'ing, which simply means I'm currently rubbing one out.

Ted: Hey broseph, let's play some COD.

Tedward: I'll be on as soon as I'm done R1O'ing

R1O by Sherbert Williams September 15, 2012