To limit or restrict something, especially a period of time spent on a particular activity.
Stint can make people think of not having enough or being held back.
Examples:
She had to stint her spending to save money.
He worked a stint at the factory.
The boss put a stint on how long we could talk on the phone.
I won't stint on the amount of cake I eat!
He put a stint on how much candy I could have, but I ate it all anyway.
My stint at the park was short, but I had fun.