Top definition
Hanging upside-down from a chin-up bar ass-naked while simultaneously smoking a blunt and jerking off. This will open a secret portal to unlimited Doritos.
'Oh god man, I think I just walked in on Greg mastering the bat(e)man'
'He probably thought the door was locked.'
' you wanna give it a try?'
'Let's never talk about this.'
by pinnypinnymobaninny January 09, 2012
Get the mug
Get a mastering the bat(e)man mug for your sister-in-law Larisa.