Mario Pajama Pants

pajama
(usually plural) loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers
Pajamas, also spelled pyjamas (see also spelling differences) can refer to several related types of clothing. The original paijama are loose, lightweight trousers fitted with drawstring waistbands and worn in South and West Asia by both sexes.
a pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries

mario
Mario is a the debut album by singer Mario, released on March 19, 2002 when he was still 15 years old. It features hits "Just a Friend 2002," "Braid My Hair" and "C'mon". The album sold over 96,000 copies in the first week and was eventually certified Gold, selling over 596,000 copies .
Mario is a 1984 Canadian drama film.
Mario Dewar Barrett (born August 27, 1986), who performs under the mononym Mario, is an American R&B singer, actor, model, dancer and philanthropist.

pants
(pant) breathe noisily, as when one is exhausted; "The runners reached the finish line, panting heavily"
Underpants
bloomers: underpants worn by women; "she was afraid that her bloomers might have been showing"
(pant) the noise made by a short puff of steam (as from an engine)
Trousers
Rubbish; nonsense