to be unable to speak because you are so surprised.

I was so amazed at what she'd said I found myself completely lost for words.

• have half an eye on something
• have hand in the till
• have hands full
• have hanging over head
• have hanging over your head
• have head in the clouds
• have head screwed on
• have head screwed on right
• have head screwed on the right way
• have head stuck up arse
• have head stuck up your arse
• have head up arse
• have head up your arse
• have heard the last of
• have heard the last of someone
• have heard the last of something
• have heart set on
• have heart set on doing something
• have heart set on something
• have in common
• have in common with
• have in common with someone
• have in common with something
• have in corner
• have in hand