The kind of guy who expresses great interest, flirts, dishes out sexual innuendo, but never actually follows through in getting to know a girl. Maintains just enough contact that she doesn't forget who he is.
"Hey, I heard from that gym guy today."
"The one you had that one drink with six weeks ago??"
"Yeah, he texted me!"
"Did he ask you out?"
"No, but he asked me if I was watching the game tonight."
"Did he invite you to watch it with him?"
" . . . . No?"
"Girl, block his number. He's never gonna follow through. He's just a maintainer."
A highly skilled Airman charged with the task of fixing what a pilot does to a perfectly good aircraft.
That maintainers gonna be pissed when we bring this plane back in.