faceful of joy
A faceful of joy happens when a woman with big breasts either drops her boob on your face or almost hits your face. It can be on purpose during sex or when she leans over and slips.
He was trying to eat a sandwich when I gave him a faceful of joy.
She said she was just sneezing, but I got a faceful of joy.
He was about to take a sip of water when I gave him a faceful of joy.