Have a night on the tiles
Definition 1 of 1
Pro Tip 1/3Informal Usage
Use the phrase in casual settings with friends but not in formal or professional situations. 
Next Friday, let's have a night on the tiles celebrating your new job.
Pro Tip 2/3UK Origin
Recognize this phrase is more common in the UK, so some English speakers from other regions may not be familiar with it. 
He moved to London and is eager to have a night on the tiles with locals.
Pro Tip 3/3Celebratory Mood
Implies a lively celebration or partying, not just a regular evening out. 
After the college graduation ceremony, they were ready to have a night on the tiles.