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1. A mentally-impaired fish.
2. Referring to a person who is acting in a mentally-impaired manner.
1. That tardfish never stops swimming sideways.

2. Chris can be such a tardfish, we always refer to his Chris-isms and get a laugh.
by JaxML July 18, 2008
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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2
1.A retarded fish.
2.Often used to describe a person acting in a stupid manner.
1. "A tardfish says 'Moo!'"
2. "Joe is dancing for the pigeons again. What a tardfish!"
by Dextra October 13, 2003
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3
it means that you are just incredibly stupid, it is also a short for retarded goldfish.
Ian your such a Tardfish.
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5
a fish with a nose like an elephant can come out of the water but will shrivle up. So fun to play with and usually owned by Kayla Matteo! Also a tard fish can be a great friend to ANYONE! and it IS real in the waters of Japan! also is related to the retarded fish
I found a tard fish when i went to the beach in Japan.
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6
A fish with a large,round nose. and can only be found in japenease waters. When the fish is out of water it's nose shrinks down to mini size.
by Yow-man March 02, 2007
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