by Alexis_J_M September 17, 2005

by Boberto the Great December 3, 2007

When I was twelve I was walking my bike in the park when this plonker came up to me said I had lovely legs, did I want to go with him. I got on my bike and took off! (This really happened!)
by Michiwawa March 20, 2012

by andy21224234324 September 7, 2013

A Plonker is typically some donkey who hangs around alley ways smoking the devils lettuce. He then shags his dad and sucks his toes.
by Turnip———-13 April 30, 2021

A British slang term used as an insult meaning idiot. Usually used in an endearing way or when having a joke with someone
by Alex.tay09 July 12, 2019
