(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.

simple past tense and past participle of happen upon

simple past tense and past participle of happen along

In a nonchalant manner, by ignoring the existence of a past event and pretending that nothing abnormal had occurred.

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

(informal) An informal greeting.