Dictionary.com's Word of the Year is...
"soldier armed with a sling, late 14c., agent noun from sling (v.).
A waiter or waitress; a food server: Anybody but a California Bar-B-Q slinger would know that
grub-slinger, gunslinger, hash-slinger, ink-slinger
[1934+; fr sling, ''to pass something from one person to another,'' found by 1860]