Top Definition
bon·ster - noun -ˈbän(t)-stər

1) a being of extreme abnormal form

2) a : a being of shocking proportions

b : an anomaly for its kind

3) something bonstrous; especially : something of unnatural or extreme size
Holy fuck! It's a bonster!
by shake riz November 25, 2010
a ladies man with a huge hooter
'Look, here comes Bonster'
by SantaClausElf December 02, 2008
You like big black asses and your gay and you should be shot cause your a dumbass.
Gabe Gibson and Curtis are bonsters, and they like to give each other dirty sanchez's cause they're fags
by Charles K and Chris B October 04, 2004

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