Just start loading up that bathroom with "female stuff". Economy-size box of maxi pads on the toilet tank, for starters. Start washing your stockings in the sink there and leave them hanging all over the fixtures to air-dry. Bring in a hair dryer and a curling iron and leave them laying around so he has to move them in order to use the sink. Then just don't say anything about it--turnabout is fair play, after all.

her desk?

KA

be hard to sit down, wot?

Grungie: That's what I say! Scatter your used sanitary napkins on the floor and piss on his socks while you're at it! That'll learn 'em!