(idiomatic) To decline to comment, especially on grounds that it might be incriminating.

(idiomatic) To risk doing something; to try something risky.

(idiomatic) To act on one's own authority, without asking for permission. / (idiomatic) To behave disrespectfully, especially to make unwanted sexual advances.

(idiomatic) To act on one's own authority, without asking for permission.

(idiomatic, vulgar, colloquial) To defecate. / (idiomatic, vulgar, colloquial, UK) To fail or malfunction.

(cricket) To get a batsman out.

(idiomatic) A process of compromise or accommodation.

(idiomatic) To attempt or try.

(idiomatic) To attempt or try. / (idiomatic) To guess. / Used other than figuratively or idiomatically: see take, stab.

(intransitive, of a crowd of people) To gather together in the public streets of a town or city to show communal solidarity in either celebration or opposition. / (intransitive) To rampage or riot.