yell - shout something or make a loud noise, usually when you are angry, in pain, or excited;
activate - make something start working or happening;
embarrass - cause someone to feel nervous, worried, or uncomfortable;
teased - be laughed by someone or to be said unkind things about yourself, either because someone is joking or because someone wants to upset you;
irrational - not based on reason or clear thinking; not reasonable;
melt away - disappear slowly;
trigger - a part of a gun that causes the gun to fire when pressed; an event, situation that causes the start of something, especially something bad.