Walter very first reaction to beneatha behavior is

Beneatha has on the Nigerian dress that Asagai gave her earlier. Beneatha dances to Nigerian music as she shows off her African garb, and sings in a Nigerian dialect. Walter walks into the apartment drunk but instinctively starts dancing, loving the beat of the drum in the music. During this scene, the inebriated Walter begins to act out a scene in which he is the chief of a tribe. He prepares his imaginary tribe for war by invoking war songs and the songs of his ancestors.

Disgust?