From what I know it means pussy or vagina. Correct me if I'm wrong.
"I'll be your Jamaican lover strokin' in ya potwa'
OK with my friens and I potwa means Pussy Of The Week and the a at the end makes it more of a word or it would just be potw
it is said pootwah not like pot-wa.
"Hey teen did you see helen hook up with elliot she is the new potwa
yer only last week he hooked up with hana what a potwa"