look up any word, like the eiffel tower:
 
2.
very very large
1. "I was having sexual intercourse and this attractive females BONTO breasts were launching all over her chest."

2. I was fucking this GILF and her saggy bonto tities were bouncing around the whole fucking house.
by slipppery shlong January 07, 2011
 
1.
something that is awesome, cool, off the chain, off the hook, freaking amazing or just chill
" Dude Brians new corvette is totally bonto"
"Have you seen her outfit today? she looks soo bonto"
by don.worry.about.a.thing.97 December 26, 2009
 
3.
suspected american indian. believed to be associate, friend, relative of tonto.
Lone Ranger, Tonto and Bonto.
by M.Marco. January 12, 2010