Definition of promos:
(n) :
(Philippines) A reduction in consumer cost for a limited time for items or services rendered; a special.
(v) :
(slang, transitive) To promote; to publicize.
(n) :
(professional wrestling slang) an interview or monologue intended to promote a character or an upcoming match.
(n) :
(colloquial) Clipping of promotion. [An advancement in rank or position.]