вы́ставиться

verb, perfective

Very rarely used word (top 60,000)

verbreflexive

1.
to be exhibited, to be displayed, to be put on display
Example:
Картина выставилась в музее на всеобщее обозрение.
The painting was exhibited in the museum for public viewing.
2.
to expose oneself, to make oneself conspicuous, to put oneself forward
Example:
Он не хотел выставиться перед начальством в глупом виде.
He didn't want to make a fool of himself in front of his superiors.
3.
to treat, to buy a round (colloquial)
Example:
Ну что, выставишься за свой проигрыш?
So, are you going to treat us for your loss?

Conjugation

Imperative
ты	вы́ставись//вы́ставься
вы	вы́ставьтесь

Active present	-
Active past	вы́ставившийся	protruding, sticking out, prominent
Passive present	-
Passive past	-
Gerund present	-
Gerund past	вы́ставившись	while doing (past)