A mix of the word nerdy and geek.
- HAH! LOOK AT THAT DUCK, HE'S SO GERDY!
- Be careful dude... those could take over the world one day...
by GerdyDuck January 19, 2021
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A mix between "Geeky" and "Nerdy."

It is the ultimate way of saying anything is nerdy/geeky.
Look at that gerdy guy across the street. Look at how he's carrying his trumpet over his shoulder and wearing a bandanna. What kind of mix is that? Band geek and gangsta nerd?
by foshizznet my nizzet July 15, 2006
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A short fatass fugly women who is loved by bisexual losers
WOH!! LOOK AT THAT GERDY!!! SHES SO UGLY!! ONLY A LOSER WOULD LIKE HER!!
by SkiSki6969 January 31, 2011
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A meatball headed character who is rarely seen expressing his own views
Look at that gerdy he's really being non-commital
by Craiggy K June 22, 2006
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After too much drinking and/or eating over a 2-3 hour period, there is an excess amount of gerd in the throat that causes uncomfortable burning sensations and excessive burping...not to mention an overall feeling that one would feel the need to have to throw up.
I was a total pig at the arcade! --- After 8 beers, two meals, and a pint of ice cream, there was a definite gerdiness when I slept that night.
by Cnlefae April 24, 2017
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Herdy Gerdy is another term for the class A drug cocaine.
This phrase is often said in the areas of North West England, especially Widnes.
Bill - "establishment tonight then yeah mate?"
Frank - "Yeah i will, need to get some herdy gerdy though me"
Bill - "ah lad don't start with herdy gerdy i sniffed so much the other night"
Frank - "weak you, its been called in, get your key ready"
by Establfc20 December 11, 2013
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