Why do 'I'm up for it' and 'I'm down for it' mean the same thing

Why do 'I'm up for it' and 'I'm down for it' mean the same thing? - Quora

Why do people say 'I'm down' when they are up for doing something? - Quora

What does the phrase 'get down' mean to you? - Quora

Meaning of I'M DOWN FOR IT and I'M UP FOR IT - A Short English Lesson with Subtitles

What does 'live down to' mean? - Quora

How to use 'I'm up to'? What does this phrase mean - Quora

Solved 4. Complete the second sentence with no more than

HOL' UP - Imgflip

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