backdoor man
01
a man who has an intimate relationship with a woman who is already in a committed relationship or marriage, often without the knowledge of the partner
Disapproving
Idiom
Informal
예시들
Isabella suspected that her partner was a backdoor man when she discovered secret messages on their phone from another woman.
The tabloids were quick to label the famous actor as a backdoor man after rumors circulated about his affairs with multiple co-stars.
