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

🆚What is the difference between I'm down for it and I'm up for it ? I'm down for it vs I'm up for it ?

Heels Down Toes up

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

What does “sure I could be down” mean? - Quora

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

Daily Stoner Thoughts ʘ‿ʘ

Why do we say that a person with a multifaceted skill set 'wears many hats'? - Quora

Roll Safe Think About It Meme - Imgflip

What is the difference between saying 'I'm up for that' and 'I'm down for that' if someone asks if you want to do something? - Quora

What is the meaning of 'I'm on for that' with examples? - Quora

What does I'm down mean? Does it mean I feel down? and what is I

What does 'How 'bout them apples' mean? - Quora

Are you picking up What i'm putting down?