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1. gecko
A small tree lizard that can save you hundreds on car insurance.
I have a pet gecko.
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2. gecko
When you are having vaginal intercourse with a girl in the standing doggy position with her leaning against a wall, the penis is removed and thrust into her anal orifice, thus causing her to attempt to 'run' up the wall like a gecko
I gave that girl a gecko.
3. gecko
Australian slang: to look at or inspect.

Based on the way geckos look at objects.
Lets have a gecko at what's on tellie.
by Crucible Jun 25, 2004 share this add a video
4. Gecko
The small, computer generated lizard mascot for Geico. Portrayed with an Australian accent. Is a cute little bugger.
that gecko saved me hundreds on car insurance
5. Gecko
the most superior organism on earth
i wish i was a gecko
by Troy Dec 6, 2003 share this add a video
6. Gecko
A nickname for a shirt with a contrasting collar and cuffs, usually a blue shirt with white collar and white cuffs. Lee Iacocca started this fashion trend back in the 80's. This nickname developed as a result of the character Gordan Gecko wearing these types of shirt in the movie Wall Street. These shirts seem to phase in and out of style every few years.
Everyone has a Gecko in the back of their closet.
7. Gecko
A Person Who Is Extremely Good At Scaling Urban Buildings, Or Natural Rock Formations. These People Are Usually Experienced Rock Climbers, Or Involved In Parkour. These People Are Categorized By Their Large Amounts Of Energy.

Can Also Be Used To Describe A Group Of These People, Called Geckos Or Gecko When Describing An Individual Person
Gecko:

Guy 1:Wow, Dude Gecko Here Just Jumped Over My SUV, Damm

Guy 2: Dude Now Hes Running Up The Fire Escape, Look At Him Go!.

Geckos: Dude I Was Hanging With These Guy Who Were Doing Parkour, A Bunch Of Fucking Geckos, Dammmm

EX:A Rock Climbing Expedition