Dessa är ordets definitions relaterade till rat-on-sb-sth. Klicka på valfritt ord för att gå till dess ords detaljsida. Eller, gå till definitionen av rat-on-sb-sth.
0 to not be loyal to someone, especially by giving away secret information about them, or to fail to do something that you said you would do:
He ratted on us.
They ratted on the deal.