A Dead Ringer
 

* 1.a very close likeness, like a twin Chad is a dead ringer for Mel Gibson. They look like twins
English Related Words* a dead dog
* a dead giveaway
* a dead heat
* a dead loss
* arise from dead
* as dead as a doornail
* as dead as dodo
* as good as dead
* as slow as a dead snail
* at dead of night
* be a dead duck
* be dead against
* be dead set against smb
* beat a dead horse
* bell ringer