willysquam Share definition Flag A dick that is abnormally long and looks a little something like a long flowing river/lake. Ex: girl 1:You hung out with Dave yesterday?Girl 2: yeah he's got a hell of a willysquam. willysquam by swiggleswag October 30, 2015 0 0 Get merch Get the willysquam mug. Buy Now — $32.95 See more merch