I'll tell you when you're older

A phrase used when something can't be explained to a child

7-year-old: *catches adolescent brother watching porn* What is this?
Brother: I'll tell you when you're older.

by frabrizio March 24, 2017

I'll tell thee that f'nowt

A typical Yorkshire phrase used mostly when arguing with someone.

Bob: Gi' Ore, you're bloody daft you are"
Jim: "And you're a complete wazzock, I'll tell thee that f'nowt!"

by Proper Sheffield lad October 16, 2021