latch on to

phrase

variants or latch onto

1

: to grab and hold (something)

He latched onto her arm and wouldn't let go.

—often used figuratively

The news media has latched on to the scandal.

2

: to begin using, doing, or enjoying (something) in an enthusiastic way

Many companies have latched onto the trend of using consultants.

He latched onto music as a way to relax.

3

: to stay close to (someone or something)

Soon after she got to the party, some strange man latched on to her and wouldn't go away.