have someone on toast

have (one) on toast

To have power over one. Primarily heard in UK. Of course they'll heed our demands—we have them on toast.See also: have, on, toast

have someone on toast

be in a position to deal with someone as you wish. British informal 1993 Esquire The more he thought, the more I knew I had him on toast. See also: have, on, someone, toast