(colloquial, usually childish, abbreviation) pajamas; pyjamas

Abbreviation of pajama. / Abbreviation of Proto-Japonic. / (Malaysia) Initialism of Petaling Jaya, a town. / (India) Initialism of poor joke.

Alternative form of pj's.

(jargon, scholarly publishing) published journal article, also known as publisher's version, version of record or VoR: the version of a paper as printed or digitally published in a journal by its publisher

plural of PJA