Who suggests sharing vomit in a humorous manner?

The suggestion to share vomit in a humorous manner comes from Jerome, one of the key characters in "GATTACA." This moment highlights Jerome's complex personality and serves to illustrate aspects of humor in the oppressive environment of the film. Jerome's character is characterized by a wit that offsets the serious and often darker themes surrounding genetic engineering and societal expectations.

His humorous take on an otherwise unpleasant situation exemplifies how characters navigate their harsh realities with levity. This scene not only provides comic relief but also deepens the viewer's understanding of Jerome's character—a genetically superior individual grappling with existential dilemmas, which resonates with the film’s exploration of identity and the human experience. This blend of humor amidst adversity contributes to the thematic richness of "GATTACA."