Used as a taunt/warning call prior to the action of sticking ones leg out with the aim of tripping a colleague up. Not necessarily to make him fall completely over but just for him or her to break stride rhythm and look like a "twat" in front of tidy snatches or rugby jocks they are trying to impress. Scream this at the top of your voice before the fatal trip.
*walking along when suddenly

"mind the ruddy gap!!!"

*person stumbles slightly and everyone mocks them/calls them a cunt
by juliobug23 November 26, 2013
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Master player at Minecraft, DOTA and Rust. No nigger can stop him. Also, he loves cats.
Damn, I Mark Ruddyed in Minecraft so hard last night.
by MarkRektedYou March 30, 2017
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A ruddi is half chav half skater, he/she would be a mix between the two, by the way they act and the clothing they wear.
"Easi, scott, you're turnin' in to a ruddi mate!"
by Abz_Da_Fit_1 June 28, 2005
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