What you call someone who is so drunk that his head hits the table and makes a loud "Plonk!"
Ingrid is such a plonker! She is smashed out of her mind!
by Boberto the Great November 8, 2007
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To be so drunk you're unable to remember the meaning of certain words.
Gerry: You were fairly hammered last night.
Keith: I was off me bleedin plonker I was!!!!!!! Yeeoooww!!!!
by gerbear85 May 28, 2008
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Plonker:
Person of Little Or No Knowledge and Electrical Retarded
Ever got an Electrical shock because of sheer stupidty,therefore you are a PLONKER
by Moodygeezer May 27, 2009
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Gerry: Man, you were hammered last night.
Keith: I know, I was outta me bleedin plonker I was!!!! Yeoooww!!!
by gerbear85 May 29, 2008
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1. A person who "plonks" all the time

2. A very lazy person

3. A procrastinator
My boyfriend is such a plonker; he stays in bed all day on weekends.
by Jack_Mier May 19, 2014
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Chiefly British: A male paedophile (pedophile) - likes sexual activity with underage boys.
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 February 9, 2012
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luke don't, he will kill you, he's a plonker
by andy21224234324 August 9, 2013
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