Solution:

The required word is Buffalo.

Buffalo is a noun that refers to an animal. However, it is also a verb that means 'to bully'. Let us see how it can be used.

Sentence: Buffalo.
Meaning: Go and bully someone.

Sentence: Buffalo buffalo.
Meaning: Animals bully.

Sentence: Buffalo buffalo buffalo.
Meaning: Animals bully other animals.

Sentence: Buffalo buffalo buffalo buffalo.
Meaning: Animals that are bullied by other animals, in turn, bully other animals.

Solution:

Today is Thursday.
Three days before Tuesday is Staurday. Now Saturday is a day after tomorrow, so today is Thursday.

Solution:

Yes. You can do it by selling them.

Solution:

Yes, this is possible. The doctor is the wife and the mother.

Solution:

He was walking

Solution:

Downwards

Solution:

It

Solution:

1

Explanation:
Because I have only one mouse and not a pair required for reproduction.

Solution:

Pizza

Explanation:
Pizza is served to people with 2 E's and rest are served Burgers.

Solution:

You like orange fruit and hate orange color or vice versa.