(US) To clown around: to behave clownishly; to joke idly.

To increase the price of something between its wholesale and retail phase. / To add coding to text so that it will display properly on a computer.

blocked; stuffy; congested / (Britain) In a terrible state; messed up.

simple past tense and past participle of stuff up

Alternative spelling of call up

(transitive) To absorb, to soak up.

A railway line on which trains travel towards a major terminus.

Nonstandard spelling of ante up.

Alternative spelling of up line

Describing a higher level in a hierarchical management structure