1 definition by grady penning
whe you are playing some type of outdoors game and you try to run faster than you ever have before, from then forword you trip and face plant into a pile of poo. could be dog,cat,deer,raccoon,bird,human,etc.
"man, last night i was playing capture the flag at peter's house and i was about to get tagged so i put my all out effort into it and poo nosed.
by grady penning July 26, 2007