Reporting to work untidy
Untidy desks
Incessant flirting
Being sexist
Speaking loudly over the phone
Refusing to flush
Playing loud music
Pinching your stationery
Borrowing money and forgetting about it
Ccing your boss on EVERY single email
Butting into conversations
Being on Facebook / Twitter / Gtalk all-the-time!
Reporting to work late every single day / bunking often
Digging their noses
Listening in to your telephone conversations
Offering unwanted advice
Gossiping
Getting drunk at office parties
Taking smoke/coffee breaks
Only I can Do It