Phrasal verb: bump into

1. To bump into someone is to meet them unexpectedly or by chance

Examples of use:

a. I sometimes bump into my old English teacher at the train station.

b. We bumped into your friend Martin the other day.

c. She doesn't like bumping into her ex boyfriend at college.

2. When you bump into something or someone you accidentally hit against it or them.

Examples of use:

a. I bumped into the lampost.

b. He wasn't looking where he was going and he bumped into the chair.

c. She was running down the road and bumped into the man.