A phrase commonly used by bitches with fat ol’ titties. Most commonly used when someone is just trying to see some knockers and is staring at them while also having a conversation.
From me eyes deh at me knees means since someone was a kid. Literally since their eyes were at their knees.
I've been hearing about that old man from my eyes deh at me knees. This expression paints the picture of how you have grown a lot, comparing the height you were as a kid to how you are now.