grin/smile from ear to ear

to look extremely happy.

We've had a fantastic response,' he said, grinning from ear to ear. (usually in continuous tenses)

• beat a hasty retreat
• be a tall order
• be at a loose end
• be at a loss
• beat a path to door
• beat a path to someone's door
• beat a retreat
• beat around the bush
• beat at own game
• beat at their own game
• beat back
• beat back something
• be at beck and call
• beat brains out
• beat breast
• be at daggers drawn
• be at death's door
• beat down
• beat down on
• beat down on someone
• beat down on something
• be at each other's throats
• be at half-mast
• beat hands down
• be a thing of the past