She is studying one L courses at the law school.

I could really go for a cold one right now.

She has a collection of put-ons.

There were several follow ons to the original proposal.

He is on his uppers and struggling to make ends meet.

Finding a true soulmate is like finding a needle in a haystack, they say. It's like finding one in a million.

This store is a one-stop shop for all your shopping needs.

I found a great one-stop for all my music needs.

These one-of-a-kinds are truly unique.

These flowers are truly one of a kinds.