How to say ‘Go Cougs’ in sign language November 9, 2012 By Communications staff, Washington State University Share on Twitter Share on FaceBook Share on Linkedin share with email share with link PULLMAN, Wash. – For some, sign language is a primary method of communication. But here’s a phrase handy for anyone in a raucous stadium or a hushed room. It’s simple: Double paw pump. Double whisker wipe.