1 definition by Da Running man
A group of four highly trained athletes, rumoured to be ex-special forces, that compete in extreme adventure races whilst praising the virtues of regular masterbation
"You have a date last night?" "No, I was a masterbeater"
" Man! You gotta train good to beat those masterbeaters!"
" Man! You gotta train good to beat those masterbeaters!"
by Da Running man October 29, 2011