Mooching is a slang term for asking for something without offering anything in return. It is often used to describe someone who habitually asks for things from others. The term 'CADGED' is a synonym for mooching, and it means to obtain something by begging or borrowing. Similarly, the term 'SPONGED' is also a synonym for mooching, and it means to take advantage of someone's generosity without offering anything in return.