/Sounds like 'ser BIEN PE-ro'/
In Mexico, to be very unfaithful or disloyal — to betray or mistreat someone who trusted you completely. Being perro means acting in a sneaky, backstabbing way toward those closest to you.
Example
"That guy is a total dog — he's cheated three times already."
"You really showed your true colors — I actually trusted you."
Regional synonyms:
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/Sounds like 'ser BIEN PE-ro'/
In Mexico, to be very unfaithful or disloyal — to betray or mistreat someone who trusted you completely. Being perro means acting in a sneaky, backstabbing way toward those closest to you.
Example
"That guy is a total dog — he's cheated three times already."
"You really showed your true colors — I actually trusted you."
Regional synonyms: