it should have happened a long time ago.

It was high time someone invited me to lunch.

It's high time you got that bad knee of yours looked at by a doctor!

Related vocabulary: it's about time, at long last

• here someone goes again
• here's to
• here's to someone
• here today, gone tomorrow
• here you go
• He wasn't born yesterday!
• He who pays the piper calls the tune.
• hidden agenda
• hide a multitude of sins
• hide head in the sand
• hide light under a bushel
• hide your head in the sand
• hide your light under a bushel
• high and mighty
• highest rung on the ladder
• high-flier
• high ground
• high jinks
• highly-strung
• high roller
• highways and byways
• hinge on
• hinge on something
• history in the making
• hit a brick wall