kick (someone) in the teeth

a kick in the teeth - if you describe the way someone treats you as a kick in the teeth, you mean that they treat you badly and unfairly, especially at a time when you need their support.

She'd only been trying to help him and she felt that she'd been kicked in the teeth.

• be on speaking terms
• be on tail
• be on the back burner
• be on the ball
• be on the blink
• be on the bottle
• be on the breadline
• be on the brink of
• be on the brink of doing something
• be on the cards
• be on the case
• be on the crest of a wave
• be on the [expensive/heavy/large etc.] side
• be on the expensive side
• be on the fiddle
• be on the fritz
• be on the game
• be on the heavy side
• be on the horns of a dilemma
• be on the large side
• be on the level
• be on the line
• be on the loose
• be on the march
• be on the mend