v. i. [ Chiefly Colloq. ] 1. To make a quick, hollow, metallic, or harsh sound, as by pulling hard on a taut string and quickly releasing it; of a raven, to croak. [ Webster 1913 Suppl. ]

2. To drop or sink down suddenly or heavily; to plump. [ Webster 1913 Suppl. ]

3. To play truant, or “hooky”. [ Scot. ] [ Webster 1913 Suppl. ]

n. 1. Act or sound of plunking. [ Colloq. ] [ Webster 1913 Suppl. ]

2. [ Slang ] (a) A large sum of money. [ Obs. ] (b) A dollar. [ U. S. ] [ Webster 1913 Suppl. ]

v. t. [ Imitative. ] [ Chiefly Colloq. ] 1. To pluck and release quickly (a musical string); to twang. [ Webster 1913 Suppl. ]

2. To throw, push, drive heavily, plumply, or suddenly; as, to plunk down a dollar; also, to hit or strike. [ Webster 1913 Suppl. ]

3. To be a truant from (school). [ Scot. ] [ Webster 1913 Suppl. ]

n. A kind of blue color; also, anciently, a kind of cloth, generally blue. [ 1913 Webster ]