What am I?

You use lots of me, yet right you use me when you're done. What am I?

related riddles

I am young in the sun and trapped to be aged. Held in a bottle but opening is delayed. What am I?

I moan, I groan, I chase after you. I never seem to rest. Time’s up for you. What am I?

In the ground I am nothing, but give me time and I'll be something. What am I?