nursery transplant - one's orders
- on the crook
- on the cry
- on the cuff
- on the decline
- on the defensive
- on the docket
- on the double
- on the eve
- on the eve of the holiday
- on the face of it
- on the far side
- on the flat
- on the fly
- on the fringe of the forest
- on the fritz
- on the go
- on the greek calends
- on the gridiron
- on the grounds of
- on the hoof
