萬聖夜的主要活動是「不給糖就搗亂」（Trick-or-treating）。小孩裝扮成各種恐怖樣子，逐門逐戶按響鄰居的門鈴，大叫："Trick or Treat!"（意即不請客就搗亂），主人家（可能同樣穿著恐怖服裝）便會拿出一些糖果、巧克力或是小禮物。部分家庭甚至使用聲音特效和製煙機器營造恐怖氣氛。小孩一晚取得的糖果往往以袋計算，整袋整袋的搬回家。
"Wanna know how I got these treats?
My father was... a drinker. And a fiend.
And one night he goes off crazier than usual.
Mommy gets the kitchen knife to defend herself.
He doesn't like that. Not. One. Bit.
So, me watching, he takes the knife to her, laughing while he does it.
Turns to me and he says "Trick or treat?"
Comes at me with the knife,"Trick or treat?"
He sticks the blade in my mouth.
"Let’s put a smile on that face when you get those treats!"
And... Trick or treat?"[attach]5620126[/attach]
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不要踢我走(抱腿)