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1.
a gay bastard
u fucking banto
by Ste| August 22, 2003
 
2.
Verb. Bantos means to go mental on someone, to go crazy on someone. To be stubborn, passionate and relentless beyond any point of reason.
I will go bantos on you.
by bantonians November 29, 2013
 
3.
to have lots of good fun
" oh jeez dude....i had so much bantos with sam G yesterday...he is the faffin bantos like."
by claire bantos November 20, 2006