booty call = オッス！オラとセックスしようぜ！っていう電話
(noun)a phonecall,page,or conversation aimed at getting into your pants.Not an invite to a movie or dinner, not just coffee, not a casual or formal get-together, just a plain old-fashioned "lets fuck"
I woke at 4 a.m. with a massive hard-on. I picked up the phone and gave Ruthie a booty call. I wanted to mount her so very, very much. I had it REAL bad !
by urban dictionary
まーこれもbooty call (text?)