AskMen.com came up with this list.   I do all of these things but I think it's cute.

1) Leave a wake of empty containers

2) Splash the mirror when they brush their teeth

3) Leave hair in the sink after shaving

4) Use 10 glasses a day instead of one

5) Pee on the toilet seat

6) Litter the floor with laundry

7) Don't do housework

8) Burp and pass gas indiscriminately

9) Develop a martyr complex when sick

10) Aimlessly channel surf