[plain] or [smooth sailing] {n. phr.} An uncomplicated, unhampered, or easy […]

[plain Jane] {n. phr.} A common or simple looking young woman […]

[plain white wrapper] {n.}, {slang}, {citizen's band radio jargon} Unmarked police […]

[plan] See: [LAY-AWAY PLAN].

[plan on] {v.} 1. To have the plan of; have in […]

[plank] See: [WALK THE PLANK].

[plastered] {adj.} Extremely drunk.

[plate] See: [HOME PLATE].

[platonic love] {n. phr.} Great affection toward another person without sex. […]

[platter] See: [HAND SOMETHING TO ONE ON A SILVER PLATTER].