Complete List of domain.usages

euphemism (7)
superlative (7)
slang, cant, jargon, lingo, argot, patois, vernacular (~80)
abbreviation (1) appro
obscenity, smut, vulgarism, filth, dirty word (8)

colloquialism (250+) [list] 
aspersion, slur (0)
trope, figure of speech, figure, image (15) [List]
wit, humor, humour, witticism, wittiness (2) libation, roaster

blend, portmanteau word, portmanteau (6)
combining form [aka  bound root](40) [List]
irony (3) pretty, deserving/worth, indeed
synecdoche (2) earth/fireside, face/s
trademark (155) [List]

idiom, idiomatic expression, phrasal idiom, set phrase, phrase (3) out of whack, in the lurch, like clockwork
intensifier, intensive
disparagement, depreciation, derogation (40) [List]
pun, punning, wordplay, paronomasia (0)
formality (6) slough of despond, person of color, hereby/herewith, herald, therein, in this, in that, banausic                                                

acronym (4)snafu, MPEG, DINK, WIMP, NIMBY
trade name, brand name, brand, marque (~330) [List]
french (4) fin de siecle, noblesse oblige, patois, eminence grise
ethnic slur (13)
plural, plural form (220) [List]

regionalism (2)afeard, right smart
street name (1) smack/scag/etc.
archaism, archaicism (65) [List]
dialect, idiom, accent (3) euphonious, forward/forwards/frontward/s/forrad/forrard, spang/bang