push in
US /pʊʃ ɪn/
UK /pʊʃ ɪn/

1.
colarse, meterse a la fuerza
to rudely join a queue or line of people by forcing your way into it
:
•
Don't try to push in, wait for your turn.
No intentes colarte, espera tu turno.
•
He was rude and tried to push in at the counter.
Fue grosero e intentó colarse en el mostrador.