spending money 
noun [mass noun]
Money available to be spent on pleasures and entertainment.This is followed by a fun filled shopping weekend in Manhattan with 1,000 spending money....
- Students provide their own spending money and are fully covered by private health, accident and travel insurance.
- The experiment not only furnished us with spending money, it provided a handy dress rehearsal for that weekend's culinary intake.
- the roaring forties
- the Rock
- the Rockies
- theroid
- the roof of the world
- theropod
- the Rota
- the rough edge (or side) of someone's tongue
- the rough end of the pineapple
- Theroux, Paul
- the rub of the green
- the rules of the game
- the Rump
- the Sahara
- the salt of the earth
- (the) same to you!
- the sands (of time) are running out
- thesaurus
- the scales fall from someone's eyes
- the scheme of things
- the school of hard knocks
- the Scillies
- these
- the Secession
- these days