bump into

US /bʌmp ˈɪntuː/
UK /bʌmp ˈɪntuː/
"bump into" picture
1.

to meet someone unexpectedly

:
I didn't expect to bump into you here!
She often bumps into her old classmates at the supermarket.
2.

to hit something or someone accidentally

:
He didn't see the pole and bumped into it.
Be careful not to bump into anyone in the crowded hallway.