also: テレフォンクラブ
noun
telephone dating service; sex chat line
A service where callers can talk to strangers, often for dating or sexual conversation. Wasei-eigo from 'telephone club'.
wasei-eigo (Japanese-coined English), from telephone club
昔、テレホンクラブの広告が雑誌にたくさん載っていた。
In the past, many advertisements for telephone clubs appeared in magazines.
テレホンクラブは今ではほとんど
Telephone clubs are rarely seen nowadays.