What is the meaning of Shag?

Matted material; rough massed hair, fibres etc.

Coarse shredded tobacco.

A type of rough carpet pile.

Bacon or fat, especially if with some remaining hair or bristles.

A roughly-cut or torn-off piece of bread or cheese.

A deliberately messy, shaggy hairstyle.

To make hairy or shaggy; to roughen.

To hang in shaggy clusters.

Hairy; shaggy.

Any of several species of sea birds in the family Phalacrocoracidae (cormorant family), especially a common shag or European shag (Phalacrocorax aristotelis), found on European and African coasts.

To shake, wiggle around.

To have sex with.

To have sex.

To masturbate.

To chase after; especially, to chase after and return (a ball) hit usually out of play.

To perform the dance called the shag.

A swing dance.

An act of sex.

A casual sexual partner.

A fundraising dance in honour of a couple engaged to be married.

Friend; mate; buddy.

Exhausted, worn out, extremely tired.

Tough and exhausting.

coarse linen fabric spread on the floor

shag (coarse shredded tobacco)

Source: wiktionary.org