A one liner is a joke that is delivered in a single line. One liners are very simple jokes popular for their short and to-the-point humor. The art of one liner jokes is that they are over extremely quickly :-)
To some people, jokes that follow the format of a question followed by an answer are also considered one-liners.
Q: What do you call a man who lives in an envelope?
Q: Waiter how long will the chips be?
A: About five centimeters each, I expect sir.
Wanna know why divorces are so expensive?
Because they're worth it.
What did the cow say to the other cow?
Nothing because they cant talk.
Q: Why did the motorcycle take a break?
A: Because it was "TWO TIRED"!
Q: What do you do when you throw a clock up in the air
A: Times up!
Q: Whats big, red, and looks like a bucket?
A: A big, red bucket.
What dog can't bark?
A hot dog.
Q: What did the dog say when he sat on the sand paper?
What do you call a cow with no legs??