Custom UD mugs
with your fave def Now available

1 definition by IKMcGwee

1. OT5
A paring in Tennis no oijisama, or Prince of Tennis, in which the characters Echizen Ryoma, Tezuka Kunimitsu, Fiji Syuusuke, Atobe Keigo and Sanada Genichiro are in a 5-some.
"I am a major fan of the OT5"
love it
hate it