Brown Sheets 

To have brown sheets is to be an extreme bed shitter.

"Jenn, you're so utterly useless. You totally have brown sheets"

Brown Sheets by Nexxxus September 7, 2007

Brown sheeted 

For when you shit the bed and somebody caught you "brown sheeted". Similar to being caught red handed but when you're guilty of shitting the bed.

I caught that nigga brown sheeted.

Brown sheeted by Wangjawn December 2, 2018