1. Anything and everything you want it to be.

2. On the body, usually an attractive part.

3. The area near the genitals, specifically female (i.e. booty / vulva).
"Would you like to see my poosa?"

"You've got some poosa on your chin there."
by Jordy-face November 24, 2007
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Poosas - sparklying, something which looks nice. It can be something which is unique.
“ Wow, your glittery outfit looks very poosas”
by WHATTHEFUCKIDONTKNOW December 23, 2020
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