“Technically, yes, you do weigh less after farting. When you expel gas from your body, you’re removing mass, which means your weight decreases. However - and this is a big however - the amount is so incredibly tiny that it’s essentially meaningless for weight loss purposes.”
https://boards.straightdope.com/t/does-your-weight-change-when-you-fart/527684
https://www.thenakedscientists.com/articles/questions/does-internal-gas-affect-your-weight
https://fartsound.net/blog/does-farting-make-you-weigh-less
“Technically, yes, you do weigh less after farting. When you expel gas from your body, you’re removing mass, which means your weight decreases. However - and this is a big however - the amount is so incredibly tiny that it’s essentially meaningless for weight loss purposes.”
This fella farts the facts! 👍
Damn, bro came with receipts! But think about it, OP… if you expel even a tiny bt of something, you will have lost it.