Office Slacking 10 is a Dress Up game. You can play Office Slacking 10 in your browser for free. Sarah`s back at work but can`t help wonder what Tim`s going to get her for Valentine`s Day. Help Sarah slack and prepare for her big day with the love of her life. Use your mouse or keyboard to complete the activities. If your boss comes to check on you, click the X to get back to work!