It means that it ends the libido or that it lessens the attraction. That they are not sexy or sensual. In Colombia it is a way of calling underwear unattractive or traditional. Usually long and cotton breeches and underpants.
MATAPASIONES In Chile and Cuba: long, winter underpants, usually wool or cotton. Today there is a term and with designs that for their elegance could not be called that, although they correspond to the definition.
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