The sound a joke made when it flies over somebodies head.
Boy 1: Jake paul is my favourite youtuber Boy 2: But he creates horrible content?? Why would you like him??
Boy 1: Swoosh. You're really slow in the head.
When you push out a shit that barely touches your rim hole. This type of shit usually takes less than 5 seconds to get out, remains in one piece and isn't too wet or too dry.
"Tommy saved a fuckload of toilet paper with that there SWOOSH! He only gave a courtesy wipe afterwards."