The word tanking, in terms of sport, would be used to describe a bad performance

Tanking is the act of giving up a match or "throwing it away", losing intentionally or not competing.
I tanked my match so bad!

She was tanking her match.

He tanked the match after losing the first set.

They tanked their match because they got angry with the referee/umpire.
by Morrha January 22, 2008
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The process by which a person expels excrement into the toilet tank, instead of the bowl, resulting in a disgusting surprise when one flushes.
I'm tanking in Mr. Dookie's toilet!
by Boner and Asshole May 24, 2009
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Something robust that is travelling very fast and carrying a lot of momentum, rendering it largely unstoppable and on the edge of potential catastrophe.

Something that you wouldn't want to stand in the way of.
• The bus was tanking down the hill, had to jump out the way!
• He was absolutely tanking it (with disregard to others).
by Chªrly March 29, 2012
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Usually in people with eating disorders, Tanking is drinking a large amount of water in a short time to gain weight before a weigh in.
'I've lost 2lbs, I'm going to have to do some serious tanking before my weigh in on friday.'
'She is just tanking to get out.'
by TeganR May 10, 2009
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Filling yourself with liquids e.g water to boost bodies weight for a short period of time.
often used by people with eating disorders to avoid accusations of weight loss
Tanking would be to take 'a shower' and drink the water before being weighed
by Faith,Emily and Pippa December 22, 2005
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A team that performs bad on purpose. Usually (if major sports team) play bad to get better picks in the draft.
The 2017-18 Memphis Grizzlies are tanking.
by DeAmazing DeRozan March 22, 2018
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Tanking Comes from MMORPGs That run off a Kill = Exp Style not a Hit = Exp.
A much stronger player would be inclined to First hit a monster and let themselves take Damage, While a Much lower level Attacks and Kills it, (i.e Gaining all the exp)
by Estania August 18, 2005
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