Post-pooned: ppp (past passive participle) from the trans. verb "post-poon," meaning to deny someone access to a woman's poon, i.e. vagina.
The female version of "cockblocked."
My friend Gloria, who is a lesbian, was telling me about meeting this awesome chick at Home Depot. But when she tried to get her number, Gloria's hot friend Kaitlyn, who is also a lesbian, barged in and totally post-pooned her.