1.noun(Manchester) An outer garment that covers the body from the waist downwards, covering each leg separately, usually as far as the ankles; trousers.
2.nounAn undergarment that covers the genitals and often the buttocks and the neighbouring parts of the body; underpants.
3.nounRubbish; something worthless.
"The film was a load [or pile] of pants."
4.adjectiveOf inferior quality, rubbish.
"Your mobile is pants — why don’t you get one like mine?"