tense up; frown, scowl. Obwenyi bwamwetugga. His face became contorted with rage.
-etugga (-etuzze) v.i. refl. knot oneself; contort oneself; get tangled; crouch before springing; cower; tense, tense up; frown, scowl. Obwenyi bwamwetugga. His face became contorted with rage.