vertical or diagonal pole or tree in an upright or crouched position. All four limbs are in contact with the pole or tree. Kanos Vertical slide. See video. S sloth position See hang in sloth position. sloth walk See walk in sloth position. smack lip Goodall Lip smack: Occurs during grooming. Mouth slightly opened and closed rhythmically. Plooijs LIP. Also at Ta. See also clack teeth and sputter. Similar in bonobos, but unknown if homologous to smack lip. 3. See video. smell 173 smell See sniff. snatch Take suddenly and forcibly object such as food from another, against resistance. Adult males snatch food, especially meat, from others of any age-sex class, mothers from immature offspring, and juvenile sons from mothers. Juvenile may snatch branch from playmate. In bonobos,