Possible Clues:

• React to great or awful news
• Go "Boo-hoo!"
• Good ___ (what a sad person might need)
• "We ___ tears of mascara in the bathroom" (Taylor Swift lyric)
• React to onion fumes
• Shed some tears
• Laugh? No, do a flip
• Laugh? No, the opposite
• Go beyond tearing up
• Sad babies do this