exes

Etymology 1

noun

1. plural of ex
   It is not unknown for a logician to talk about exes and wyes. 1997, John Trotter, System of Rational Discourse, page 22

Etymology 2

verb

1. third-person singular simple present indicative of ex

Etymology 3

Backslang for six

noun

1. (costermongers) The number six.
   The betting also began to shift. "Sixpence Ned wins!" cried three or four; "Sixpence he loses!" answered another; "Done!" and up went the halfpence. "Half-a-crown Joe loses!"—"Here you are," answered Joe, but he lost again. "I'll try you a 'gen'" (shilling) said a coster; "And a rouf yenap'" (fourpence), added the other. "Say a 'exes'" (sixpence).—"Done!" and the betting continued, till the ground was spotted with silver and halfpence. 1851, Henry Mayhew, “Gambling of Costermongers”, in London Labour and the London Poor, volume 1, page 17
2. (gambling) Odds of six to one.

Etymology 4

noun

1. plural of exe