To commit suicide.

(UK) With living essentials, such as meals and accommodation, provided at no cost.

Alternative form of cap it all off.

(transport) An announcement, heard especially on trains, instructing passengers to alight because the last stop has been reached.

(obsolete, slang) All is well; a cry of acquiescence or approval.

(UK, naval) Brought to a sudden halt. / (UK, naval) Wearing one's clothes, for example while sleeping.

to a lesser extent than anything else

So far as someone is concerned; in someone's view. (Often in hyperbolic constructions.)

Alternative form of bare all

To take off one's clothes; to get naked. / (figuratively) To reveal everything (in particular, information of a sensitive or embarrassing nature).