Definition of Plonker
Noun: plonker plóng-ku
Usage: Brit
- [Brit, vulgar] Obscene term for penis
- A stupid foolish person
"blathering like the plonker that you are";
- nincompoop, poop, ninny, silly billy [Brit], nong [Austral, NZ], ning-nong [Austral, NZ]
Anagrams containing the word plonker