Bootycall O'Clock
Used to describe what time your casual fuck friend calls you. Usually, takes place anytime in the late late evening. Typically, the call is only to get booty.
Conversation:
Him: I told you I was going to call you last night?
Her: I know, but by the time you called me at bootycall O'Clock I was passed out.
Him: I told you I was going to call you last night?
Her: I know, but by the time you called me at bootycall O'Clock I was passed out.