flock after (someone or something)
To pursue or follow someone or something in large numbers. A: "Whoa, I almost got mowed down by a ton of teens!" B: "They must have been flocking after the hunky actor that just left the restaurant."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
flock after someone or something
to follow someone or something in a group. The children flocked after the man playing the flute. Fans flocked after the movie star as he went from his limo into the hotel.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.