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.
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Random Words:
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A relation between the X and Y axis of the 2-Dimensional Plane which when plotted looks quite ridiculous and ends in "Root Salad Ya..
1.
one who tricks people, mostly young boys, into recieving anal sex.
-Wow after that Church Overnighter my ass really hurts and I dont kn..