A spasticated child that cannot spell their name correctly.
Luke plumb is a dedoid.
by Bob Jim March 1, 2016
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A retarded midget who gets banged in the cupboard by his Pe teacher
You just got dedoid
by Leno January 19, 2016
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A proper spastic. Usually has distinguishable features e.g. large forehead, shit haircut, small hands, freckles
Look at that dedoid wandering about in the street!

Look at the size of that guy's forehead! He's a proper dedoid
by Elite_Sloan November 8, 2016
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Dedoid is the little royal baby of Scunthorpe.
He is a complete legend in the bedroom department and will most likely be the man to steal your virginity. Play safe.
Dedoid was so great last night, he sung the whole of pillow talk whilst we had sex.
by CheekyCornishMan April 11, 2016
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An annoying little lad who pisses you off 24/7 but can be good sometimes. He has really cool gold chains and rings but otherwise hes a complete mong
David Pontey more like Dedoid Pontey
by Pro Accurate Definer Guy March 22, 2017
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The sound Ellie (A mythical white creature) makes when getting spanked with a carrot
*guys spanks Ellie with a carrot* DEDOID! YAAAAAAHHH!
by KevnlikesM1necraft_1 February 2, 2016
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The origin of the word dedoid comes from the word Dilwyn in the English langauge. The definition of the word is roughly known to be the most horrible, greasy, cunty, arse-licking, smelly little shit alive.
Person 1: Wow you fucking dedoid
Person 2: Shut up you wet dwindledoid looking motherfucker
by Dedoidus Maximus April 6, 2016
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