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Noun: plonker  plón-ku
Usage: Brit
  1. [Brit, vulgar] Obscene term for penis
     
  2. A stupid foolish person
    - nincompoop, poop, ninny, silly billy [Brit], ning-nong [Austral, NZ], nong [Austral, NZ]

Derived forms: plonkers

Type of: member, penis, phallus, simple, simpleton

Encyclopedia: Plonker