to have a fight or a serious argument with someone.

Demonstrators nearly came to blows with the police during the march.

It seems increasingly unlikely that the two countries will come to blows over this latest territorial dispute (often + over)

• have designs on
• have designs on someone
• have designs on something
• have dibs on
• have dibs on something
• have done more something than has had hot dinners
• have done more something than someone has had hot dinners
• have done more than has had hot dinners
• have done more than someone has had hot dinners
• have [done/seen/had etc.] more something than has had hot dinners
• have [done/seen/had etc.] more something than someone has had hot dinners
• have [done/seen/had etc.] more than has had hot dinners
• have [done/seen/had etc.] more than someone has had hot dinners
• have down on like a ton of bricks
• have down on you like a ton of bricks
• have down pat
• have down to a fine art
• have down to a science
• have ducks in a row
• have ear
• have ear to the ground
• have egg on face
• have egg on your face
• have end away
• have eye on