aquitard 

An aquitard is an underground layer of something else that does not allow water to flow through it.

An aquitard is clay or really solid rock that is nonpermeable.

aquitard by Tiger128 May 7, 2009

Aquitard 

A person that acts completely retarded when exposed to water.

"Don't let Brian go swimming. He's a total Aquitard."

Aquitard by wxcoder85 December 7, 2009

Aquitard 

The inability to function on a physical, mental and emotional level when exposed to water.

Originated from the hydrological definition of an underground aquifer no longer able to retrieve water.
Causations: Belly-flop, exhaustion, concussion, swimming into a yellow plume, discovering a brown smear on your chest, falling off the inflatable donut etc.

"So how did the kids go at the swimming finals?"
"Well Shayne did pretty good, but Dayna was a bit of an aquitard"

Aquitard by Dodgy Rhino April 7, 2013

Aquitard 

A person generaly mentally unstable that claims to be a famous mermaid but in reality is just a fiend intemperance of the human imagination. Is extremely in denial of not being a goddess.

Ilana: Im Ariel and a mermaid!
Everyone: No your just an aquitard

Aquitard by Monkeysandpoo1 March 16, 2012

Aquitard 

An aquatic or marine animal which is retarded

1." That fish is such a fucking aquitard, eating pennies"

2."Look at that aquitard mermaid! She just said grapes are turtles!!"

Aquitard by victoria.dach.is.so.smart December 5, 2019

aquatard

A retard who lives in the water.

That aquatard beached himself. Bummer.

aquatard by facefromspacetimesten May 25, 2006