Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “do the dirty on sb”

do the dirty on sb

UK informal
to behave unfairly towards someone, usually without their knowledge: He can't forgive her for doing the dirty on him and having an affair with his best friend.
(Definition of do the dirty on sb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Translations of “do the dirty on sb”

Word of the Day

debut

the occasion when someone performs or presents something to the public for the first time

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More