A doubt picker is someone who picks up ends of cigarettes and smokes the remains.
Carl is a doubt picker.
"I'm not surprised by that."
"Expected"
A: "Monica is up to her old shit again."
B: "That doesn't doubt me."
The doubtful sensation when reading or watching smut in a public place and hoping that no one is peering over your shoulder.
"I was reading doujinshi in my lecture, when suddenly I was overtaken by a feeling of smutty-doubt"
What a hater that questions somebody has a lot of.
The hater questioned her intentions because he/she had doubt about the sincerity of his/her actions and heart.
The butt of a cigarette that has been left on the ground or in an ashtray.
A phenomenon where someone believes they haven't taken a hit, because the draw was so smooth; resulting in the smoker performing the Doubting Dragon, where smoke billows from their nostrils and mouth whilst voicing these concerns.
*Takes massive hit*
Smoker: "Oh no, I didn't get anything!? Did it work??"
*Meanwhile, smoke is billowing out of their nostrils and mouth like a Doubting Dragon *