verpfiffen

snitched on, informed on

ver change into, away, or completely + pfiff whistled, blew (a whistle) + en past participle
verb · past tense Rare #38,566
snitched on, informed on Colloquial.
GE: Sie hat ihren Kollegen verpfiffen.
EN: She snitched on her colleague.

Markum weiß nicht, dass Harris ihn verpfiffen hat?

Markum doesn't know that Harris ratted him out?

— Mystic River (2003)

Dieser Kerl hat uns verpfiffen.

This guy ratted us out.

— Reservoir Dogs - Wilde Hunde (1992)

Kollegen, die sich schmieren lassen, werden verpfiffen.

Colleagues who accept bribes will be reported.

— American Gangster (2007)

Du hast uns verpfiffen, was?

You ratted us out, didn't you?

— Der Club der toten Dichter (1989)

Tom hat mich verpfiffen.

Tom ratted me out.

Ich habe ihn verpfiffen.

I ratted him out.