The idioms "It all adds up." and "That's deadass funny"
What does each of the idioms mean?
Can you give me some exaples using them?

Thank you for your explanation...

Question

The idioms "It all adds up." and "That's deadass funny"
What does each of the idioms mean?
Can you give me some exaples using them?

Thank you for your explanation...

Answer

"It all adds up." means that it makes sense; that things which you find out explain something you didn't understand.
The other expression I have never heard; it could be American and probably means 'very funny.'