The cat pukes up hairballs.

She is puking up after eating something bad.

We had delicious nosh-ups at the party.

We had a nosh-up last night with all our friends.

I stayed up all night studying for the exam.

I am staying up late to finish my project.

He stays up late every night to study.

She is casting up the accounts.

He casts up the accounts every month.

They chummed up after years of not speaking to each other.