The strange Mexican drink could equal it (7)

I believe the answer is:

tequila

(Other definitions for tequila that I've seen before include "Equal it! (anag)" , "Liquor made from the agave plant" , "Cocktail -- 1988 American crime film -- equaliser units (anag)" , "Mexican tipple" , "one in the slammer" .)

I've seen this clue in The Irish Times.

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