What is Undie Grundie?
1.
The act of inserting a finger or thumb into an unsuspecting victims anus through their fresh new underwear, thus causing a permanent poo stain. If done in a forceful manner, blood stains may accompany the poo stains.
Paul surprised Steve with an undie grundie...a large fight insued.
See
Random Words:
1.
The most beautiful girl in the world.
"Damn, Lauren Mackenzie-Noice is really bomb!"
See lauren, hot, bomb, attractive, sexy..
1.
Also known as "Skid Marks," racing stripes are feces left on the bottom of your underwear.
I was gonna tap that girl, but whe..
