do (someone) down(redirected from do them down)
do (someone) down
1. To humiliate, denigrate, or belittle someone. John is always doing people down as a way of making up for his own poor self esteem.
2. To cheat, swindle, or deceive someone. Primarily heard in UK. The huckster made a living from buying men a few too many rounds of ale, and then doing them down for whatever money they had on them. That jerk did me down, selling me a car that doesn't even work!
See also: down
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.