(dated, 1960s-1970s) One who participates in a happening. / A person who makes things happen. / A person to whom things happen.

to find by chance

Capable of happening.

Worrying is not necessary, since it is common to make this mistake or for this to occur.

Expresses acceptance of whatever happens in the future.

(informal) An informal greeting.

present participle of happen upon

present participle of happen along

(vulgar) An expression of acceptance of misfortune and unforeseen bad circumstances or luck.

(intransitive, idiomatic) To arrive by chance; to occur by happenstance.