I bumped my head on the shelf as I stood up.
She bumped into his tray, knocking the food onto his lap.
A young man ran after the ball and bumped into her. (First Certificate in English; B2; Danish)
I bumped into Mark when I was out shopping this afternoon.
From the kitchen came a white-haired, overweight, pyjama-clad octagenarian, who was extremely surprised to bump into Robert. (Certificate of Proficiency in English; C2; Portuguese)
a nasty bump on the head
My bike hit a bump in the road.
When people don't feel safe on the streets anymore due to [the] lack of speed limit signs or speed bumps on the roads, or simply traffic lights! (Skills for Life (Level 2); C1; Polish)