Noun
(humorous) tax or taxes, treated as if it were taboo.
(euphemistic) The word tranny, regarded as offensive and taboo.
(euphemistic) Any of several other words beginning with t when regarded (sometimes humorously) as taboo, for example tit, twat, turd, terrorist or terrorism, treason, Trump.
T-word (plural T-words)
Alternative letter-case form of t-word