( noun ) The Twizm or Twizm's are the flaps of skin in front of and behind the Rectum. It is there to Ensure that fecies do not leave the region of your anal cavity. When you wipe from front to back or vise versa, you do not get shit on your balls or vagina, and same for your lower back.
(noun)
Any contiguous amount of human excrement (generally in a coherent cable form) that may be partially submerged but surfaces on opposite sides of the bowl, touching dry porcelain on each end.
"Man, check out this coast-to-coaster of mine from last summer!" *holds up polaroid*