dejar plantado

to stand someone up

→ dejar
phrase Rare #48,864
to stand someone up An informal idiom meaning to fail to show up for a planned meeting or date, leaving someone waiting. The participle agrees with the person who was stood up: dejar plantado, dejar plantada, dejar plantados, or dejar plantadas.
SP: Pensé que me dejarías plantado.
EN: I thought you would stand me up.