Vocabulary
ir
vaya: present subjunctive, I or he, she, you (formal); negative command or command, you (formal)to go (away from speaker and listener); to be suitable or apt for its purpose, to match or suit well (of clothing); to head towards or lead to a place away from the speaker; to extend in time or space, from one point to another; to play; to approach or consider (something) from a specific angle, or to direct attention towards a particular goal; denotes an ongoing action with a sense of progression or movement through space or time; to go on (doing something), to carry on, to keep on; an action or process is beginning to occur or unfold; to grow (dark), get (cloudy); used ironically with certain adjectives or passive participles; used with the past participle of reflexive verbs to indicate being in a state caused by the verb; …
Verb
vaya
expresses surprise: wow!, why, oh!, whoa!, well!, man!, boy!; expresses dismay, worry, indignation or frustration: gee!, jeez!, gosh!, why, man!, oh dear!; what a ...; you know, like, y'know; go!, leave!, go away! (technically an imperative but can function as an interjection in this sense)
Interjection