1. To ask for something that you know will be rejected.
2. To express frustration or annoyance at somebody who keeps on pestering and can't keep their mouth shut.
Origins: to poke a pork and to expect it to 'oink'.
1. Teen: dad, can I have this new VW Golf GTi?
Dad: pokeapork, son.
2. Guy: Hey what's up?
(2 minutes later)
Girl: *adjust her seat
Guy: *guy notices* What's up?
Girl: Oh its nothing.
Girl: *flings her hair out of habit
Guy: *notices* What's up?