no tener madre

to have no mother; figuratively, to be shameless or have no decency

→ no
phrase Rare #48,746
to have no mother; figuratively, to be shameless or have no decency Literally, this means that someone does not have a mother. In informal Mexican Spanish and some other varieties, the related expression ¡no tener madre! is often an offensive way to say that someone is shameless, outrageous, or has gone too far. Context is essential.
SP: La expresión «no tener madre» puede significar literalmente no tener una madre.
EN: The expression “no tener madre” can literally mean not to have a mother.