تشدّق

He twisted his شِدْقَانِ, [i. e. the two sides of his mouth, or the quivering flesh of his mouth, inside his cheeks,] in order to affect clearness, or distinctness, of speech, or to be more clear, or distinct, in speech. (K.) And تشدّق فِى كَلَامِهِ He opened his mouth and was diffuse in his speech. (M, TA.)