I have just thought of something important.

Wait a minute, what did you say her aunt's name was?

Usage notes: used to interrupt someone

• the Grim Reaper
• the groves of academe
• the hair of the dog
• the hair of the dog that bit you
• the halcyon days
• the hand that rocks the cradle .
• the hand that rocks the cradle rules the world.
• the happy event
• the hard sell
• the hard stuff
• the head honcho
• the heart rules the head
• the hearts and minds of
• the hearts and minds of someone
• the heat is on
• the heavens opened
• the height of
• the height of something
• the here and now
• the high and mighty
• the highest rung on the ladder
• the high ground
• the highways and byways
• the holy of holies
• the home straight