The oversized water droplet that appears by characters' heads in anime when they're worried, confused, embarrassed. etc.

an exaggerated bead of sweat appearing on the head of an animé character to signify embarrassment, nervousness, e.t.c.

a large bead of sweat that appears on the heads of characters in anime, shown as a sign of exasperation or incredulity; common in comedy anime, very rare in dramatic or dark anime see also face fault