Shag is a slang for term having sex in British English.

Shag is a form of swing dance. The two most common variations are the Carolina Shag and the Collegiate Shag.

Shag is the name for some birds of the cormorant family. Originally used for the European or Common Shag Phalcrocorax aristotelis, it is now used for most cormorants in New Zealand, and is likely to be used for any bird in the family that has a crest.

Shag refers to the pile of a carpet

Shaggy means having long, especially untidy, hair or fur.

A Shaggy dog story is an improbable tale.