Soon after she got to the party, some strange man 'latched on to' her [=started talking to her] and wouldn't go away.
Many companies have 'latched onto' [='adopted'] the trend of using consultants.
The news media has 'latched on to' the scandal.
(..) - Good. - Why? Oh, no reason. You know what I... found the other day is that the-- the-- the latch on the soda machine wasn't... latching. It's-- it's catching every time that I stock that darn thing. (..)2013 TvShow: Breaking Bad Title: Confessions Season: 5 Episode 11