informal

to be strange or very different from other people or things.

Even at school he was considered off the wall by most of the students.

• the greatest thing since sliced bread
• the green-eyed monster
• 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