Shows you don’t know, don’t have a strong opinion, or can’t control the outcome; a casual “whatever” or “who knows” vibe.

Shows “I don’t know” or “whatever,” acknowledging uncertainty without stress.

Shows you don’t know, can’t decide, or don’t really mind either way; a relaxed male shrug.

Says you don’t know or don’t really care which way it goes, a neutral shrug that moves the convo along.

Says you don’t know or don’t really care either way, accepting uncertainty with a chill shrug.