when you have no answer to a question
"do you like anime or just hentai?"
"yes"
yes
Example 1
Person 1: Milk is a drug
Person 2: Yes
Example 2
Peson 1: My dad died yesterday
Person 2: Yes
yes
Example 1
Person 1: Milk is holy
Person 2: yes
Example 2
Person 1: These examples suck
Person 2: yes
This is what you say when you want to say no but you are too nice.
Kyle: Hey! Willy you go out with me?
Sophie: Yes.