[plug into] {v.} To connect (an electrical appliance) to a power […]

[Plug-and-Play] A new hire who doesn't require training. * /"That new […]

[plume oneself] {v. phr.}, {literary} To be proud of yourself; boast. […]

[plunk down] {v.}, {informal} 1. To drop down; fall. * /After […]

[PM] "Private message"

[PMG] Can sometimes be seen instead of "omg", which means "oh […]

[PMIBD] "Pardon me I'm brain dead!"

[PO, PO'd] "Piss off", or "pissed off"

[pocket] See: [BURN A HOLE IN ONE'S POCKET], [LINE ONE'S POCKETS].

[pocket money] See: [SPENDING MONEY].