1 definition by A DEBBY

A kiss ass who is completely illiterate and has no friends. The Bosko will do whatever he needs to do to get a good mark, even sexual things for the teacher. The Bosko is always behind on every trend resulting in him being constantly uncool and unfunny and disliked by everybody. He rarely eats except when his mom makes him his special meal. Keep away from this thing IT IS DANGEROUS .
Yo mark is such a teachers pet, he's such a bosko.
by A DEBBY October 15, 2018
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