i prefer this version....
A panda walks into a bar and starts talking to this hooker, after talking for a while they upstairs to back room. she takes off her dress and lays in the bed, and the panda starts eating her out. after a while he gets up and leave. the hooker chases hiom out into the bar area demanding her money, and the panda tells her to look up "panda" in the dictionary
Panda - n. 1. Eats bushes and leaves