
sich vordrängeln
to cut in line
To move to the front past other people who are waiting, in order to be served sooner even though it would be their turn first. This word is colloquial.
An der Kasse hat sich ein Mann vorgedrängelt, obwohl wir schon viel länger gewartet hatten.
A man cut in line at the checkout even though we had already been waiting much longer.