Definition
to initiate a romantic or sexual relationship with someone
與某人開始戀愛關係；成雙成對
At that party, he managed to cop off with her, and they eventually started dating.
在那個派對上，他成功和她搭上了，最後他們開始約會。
She always seems to cop off with guys at the bar, which surprises her friends.
她總是在酒吧裡和男人搭上，這讓她的朋友們很驚訝。
They copped off at the music festival and ended up starting a romance.
他們在音樂節上搭上了，最後開始了一段戀情。