If a person is a twat a lot then they are certified as a twatbox
Ah thats it you twatbox, im gonna smash your granny's armchair now
by BiG G May 23, 2004
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Someone who is self important to a degree of uber arrogance.
Mister Twatbox is Someone who is regarded by most people as a complete dick, even amongst his friends.

i.e 'That Mr Twatbox Gordon Broon'
'Here comes Mr Twatbox, try and ignore him'
by Elbow grease May 8, 2010
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Twatbox refers to an individual who lacks intellect and character with a diabolical streak.
John is a real twatbox. He erased all of my itunes in one breath!
by okcgreysky February 6, 2010
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