This design combines slang with binary and ASCII code. I M is spelled in binary code above and below the word goat. Inside the word goat is ASCII code 107 which represents the letter k. K is a symbol for constant in physics. Goat is slang for greatest in the world.. Our shirts are great gifts for computer programmers, gamers, IT professionals, students and computer science teachers. The shirts have funny or inspirational messages to celebrate the wearer.