American & Australian, British & Australian, Australian

to say that something is completely true, especially when someone does not believe you.

He swore up and down that he'd never seen the letter.

If I ask her, I know she'll swear blind she locked the door.

He swore black and blue he had nothing to do with the missing money.

• have someone in corner
• have someone in sights
• have someone in stitches
• have someone in the palm of hand
• have someone in the palm of your hand
• have someone in your corner
• have someone in your sights
• have someone on a short leash
• have someone on a string
• have someone on a tight leash
• have someone on hand
• have someone on hands
• have someone on the run
• have someone on your hands
• have someone over a barrel
• have someone pegged
• have someone rolling in the aisles
• have someone's ear
• have someone's name on it
• have someone's name written all over it
• have someone's number
• have someone taped
• have something burning a hole in pocket
• have something burning a hole in your pocket
• have something coming out ears