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abv. Over The Shirt Boob Action

When you feel a woman's breast over her shirt
Jordan: "How'd your date go last night?"
Jake: "Awesome! I got some otsba!"
by tumelo January 08, 2019
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2
abv. Over The Shoulder Boulder Holder

aka Bra.

A nicer (or secret) way to talk about a bra.
Holly:Dude did you see she was wearing a blue otsba underneath!
Heidi:She's a nice girl.
by Today's Schedule March 27, 2007
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