video. P pant-grunt Goodall: Series of soft or loud grunts functioning as a token of respect given during greeting by submissive chimpanzees and during submissive interactions A highly fearful individual may utter frenzied pant barks that may be labeled pant-screams. van Hooffs Rapid OhOh. At Mahale, pant-grunting adult females may present to adult males, who may mount her and pelvic thrust. In response to pant-grunting from young adult and adolescent males, alpha male may jump on or attack them without being appeased. See also bob and bow. Pant-grunt absent in bonobo. See video. pant-grunt with bent elbow Pant-grunt while crouched quadrupedally with elbow flexed. Often, part of pant-grunt complex performed by older juvenile and adolescent males at Mahale, although adult females also do so. Cf. bow. Category 35.