MORSICATIO BUCCARUM

is the habitual biting and sometimes perforating the inside of ones cheek.

MORSICATIO BUCCARUM: "The habit of morsication buccarum, otherwise known as biting ones own cheeks is relatively common."
Cite this page: Nugent, Pam M.S., "MORSICATIO BUCCARUM," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/morsicatio-buccarum/ (accessed November 23, 2017).
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