Bat-One 

A gay guy and a huge liar. Physique similar to Adam West Batman. Extreme PC-Gaming, it's his thing. Often times, sexually attracted to cars and only attracted to personalities.

*Girl squirts all over sheets*
*Blames it on brother*
*Father yells at brother*
Brother : APOOPITA! APOOPITA! You see what she does to me?! And you think I AM THE BAT-ONE?!

Bat-One by lengthiestwarfare April 3, 2015

One bat 

when someone is to give a 'one bat' they hit someone with the back of their hand really hard.

A ruthless smack on the face.

in eastenders when Ronnie gives Janine the 'one bat' and falls to the ground in one hit.

One bat by Duno Qwarmz what u sayin! July 30, 2010