i'm just talking out my ass - You’re just making up stuff like it’s a game, and you don’t

You’re just making up stuff like it’s a game, and you don’t care if it’s totally wrong.

I told my friend the clouds are made of glitter and said, ‘I’m just talking out my ass.’

At school I said the sun is a giant flaming donkey and now I’m just talking out my ass.

I told my little brother the moon is a giant chocolate wheel and now I’m just talking out my ass.