run after (someone)

to try to get the attention or love of someone.

He's about to make a fool of himself, running after a married woman.

Etymology: based on the literal meaning of run after someone or something (= to chase someone or something)

• be out to lunch
• be over and done with
• be over the hill
• be over the hump
• be over the moon
• be over the top
• be own flesh and blood
• be own man
• be own master
• be own person
• be own woman
• be own worst enemy
• be packed like sardines
• be par for the course
• be part of life's rich pageant
• be part of life's rich tapestry
• be part of the furniture
• be past it
• be past sell-by date
• be past your sell-by date
• be penny-wise and pound-foolish
• be pie-eyed
• be pigeon
• be pipped at the post
• be pipped to the post