piece of tail vs shag

piece of tail and shag both are nouns.

Word	Noun	Adjective	Verb	Adverb
piece of tail	Yes	No	No	No
shag	Yes	No	Yes	No

As nouns, piece of tail and shag are synonyms defined as:

Other synonyms of piece of tail include ass, fuck, fucking, nookie, nooky, piece of ass, roll in the hay, screw, screwing, shtup.

piece of tail (noun)	shag (noun)
slang for sexual intercourse	a lively dance step consisting of hopping on each foot in turn
	slang for sexual intercourse
	a fabric with long coarse nap
	a matted tangle of hair or fiber
	a strong coarse tobacco that has been shredded

piece of tail (verb)	shag (verb)
	dance the shag