Food stains on the clothes or face.
You have yum stains on your face! Dry Milk
by John Stambaugh August 01, 2006
1 more definition
Leftover (an unfortunate waste...) male or female sexual excretions that falls on his/her clothing.
After being with Karen last night, I had Yum stains on my pants.
by Panchoman Jr. October 24, 2006