Jack-in-the-box-pop-up-artist
A f***ing mess who shows up and leaves before you can even f***ing catch your breath.
My boss showed up at my house like a f***ing mess and left before I could even f***ing scream.
That guy from my class popped up at my work and vanished before I could even f***ing say hi.
My neighbor showed up at my door like a f***ing mess and left before I could even f***ing blink.