What word does this rebus represent?

meta meta
meta meta

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

What month of the year has 28 days?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Can you write down eight eights so that they add up to one thousand?

The richest man in the city Mr Rechard is kidnapped. James Bond is appointed to the case. At the crime scene, a note is found written by Mr Richard. The note read:

"First of January, Fourth of October, Fifth of March, Third of June."

James Bond knew that somehow, the killer's name was hidden in the note. The following were the suspects:

Jack Richard, the son and the heir of property.
John Jacobson, the employee of Richard.
June Richard, the wife of Richard.

James Bond took only a few moments to deduce the killer's name. Can you tell who was the killer?

What does Alexander the Great and Winnie the Pooh have in common?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Which point will the car reach to go out?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?