two-timer
Noun
Meaning
two-timer (plural two-timers)
A person who two-times another.
Synonyms: see Thesaurus:cuckolder
Synonyms
judas
player
conspirator
hypocrite
Benedict Arnold
deserter
betrayer
polygamist
double dealer
traitor
adulterer
bigamist
turncoat
double-crosser
snake in the grass