1) A man who, after spending an extended period of time in a long term relationship, effectively participates in the modern dating scene without undo difficulties.
2) A space vessel entering the atmosphere with only a moderate amount of turbulence.
Bubba: Dude! Check out the arm candy on Bob! How'd he manage that? That guy hasn't dated since Bruce Willis had hair!
Jack: I see bro. That's a smooth reentry right there.