buttonhole someone

buttonhole (someone)

To confine or accost someone in or with conversation. Likened to holding onto someone by the lapels (on which the buttonhole used for a boutonniere is located). I tried to leave the office early, but Larry buttonholed me with a tedious conversation about weekend plans.
See also: buttonhole
Farlex Dictionary of Idioms.

buttonhole someone

Accost or detain a person in conversation. For example, The reporter tried to buttonhole the senator, but she got away. This term is a metaphor for literally grasping someone by a buttonhole on his or her clothing. [Mid-1800s]
See also: buttonhole, someone
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • accompany (one) on a/(one's) journey
  • accompany on a journey
  • a stranger to (someone or something)
  • be out of (one's) league
  • be out of somebody's league
  • be in bad with (someone)
  • (one) puts (one's) pants on one leg at a time
  • bargain
  • bargain for (someone or something) with (someone)
  • brief (someone) about (someone or something)
References in periodicals archive
Take the expression "to buttonhole someone", meaning to detain them in conversation that they were previously trying to avoid.