face plant - When you try to be cool doing something like skateboarding o

When you try to be cool doing something like skateboarding or biking and then you crash like a sack of potatoes onto your face.

I tried a kickflip and ended up doing a face plant. My face is now a sidewalk.

He did a face plant so hard, the ground got a black eye.

My dog tried to skateboard and did a face plant. Now he’s got a beard.