The last tight game you mentioned broke his record and his heart, maybe (6)

I believe the answer is:

zeugma

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'mentioned broke his record and his heart maybe' is the definition.
Although both the answer and definition are singular nouns, I can't understand how they can define each other.

'the last tight game you' is the wordplay.
'the last' becomes 'z' (last letter of the alphabet).
'tight' indicates anagramming the letters (tight can mean drunk).
'you' becomes 'u' (homophones).
'game'+'u'='gameu'
'gameu' anagrammed gives 'eugma'.
'z'+'eugma'='ZEUGMA'

Can you help me to learn more?

(Other definitions for zeugma that I've seen before include "Karpov and his winning chances disappeared?" , "figure of speech" .)

I've seen this clue in The Independent.

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