Three cowboys, hot and dusty from the trail drop into a bar for a beer. They find a table in the corner, and wait for the bartender to take their order. He comes over, and tells them "well, I see you are all cowboys, I'll bet you the first round I can tell you where you are from and where you went to school just by how you are dressed."
The three cowboys agree, and the first one stands up and says, "well, bartender, where do you think am I from?" The bartender looks him over from head to toe and then says, "that is easy, you are from Iowa, and attended Iowa State". He says, "that is right, I am from Iowa, how could you tell? " Easy, from the pig Sh*t on your jeans", the bartender replies.
The second cowboy jumps up, and exclaims " Well, smart guy, where am I from, then? The bartender looks him over carefully, and then says "I believe you are from Oklahoma, and attended the University of Oklahoma". The cowboy is flabbergasted, and says "that's right, how did you know that?" The bartender tells him, "it was easy, with that much Bullsh*t on your boots"
The third cowboy starts to get up out of his chair, but the bartender says, "whoa, no need to stand up, Aggie, I can see the fleece in your zipper from here"