Put this call early in a fight sequence, before any response line, then follow it with the enemy spotted sound button when trouble arrives and the nope meme sound button when help refuses to show up.
關於此聲音
This is the Team Fortress 2 Demoman voice line, a stretched shout of MEDIC lasting about 1.7 seconds in his thick Scottish accent. It feels frantic and funny at once, like a desperate plea that everyone nearby can hear and instantly understand, even when no Medic is coming.