two-timer

Noun

A person who two-times another.

Japanese Meaning

二股をかける人、つまり、同時に二人以上の人物と不誠実に交際する人。

She broke up with him when she found out he was a two-timer.

彼女は彼が浮気者だと分かったとき、彼と別れた。

Sense（1）

A person who two-times another.

When you know she's no high climber / Then you find your only friend / In a room with your two timer / And you're sure you're near the end

two-timers

（ plural ）