Email subject lines that at first glance appear to be porn spam, but are actually your roommate asking about the laundry:

Do you have a hot load?
My sopping wet panties need your help!
Re: too dirty for your own good
Don't you think it's time you emptied the lint trap!
Soap all over the place
Don't forget to rub your stain
I'm not wearing anything but socks
Filthy housewives degrade themselves
Can I use your detergent ball?
College girls let it get REALLY dirty
I need you to set it on delicate
Let's mix our whites and darks
The fluff cycle