To throw up violently or in an exceptionally awkward or hilarious manner. Similar to a "Ralph" but funnier. There is a fine line of separation between a Ralph and a Carl, but where you tend to feel better after you Ralph, you feel equally bad after you Carl.
Person 1 "Did you see what Johnny just did?"
Person 2 "No, what?"
Person 1 "Well he was making weird sounds, sort of like a fart, but when I looked over he was Carling slowly all over the floor."