a b c d e f g h i j k l m n o p q r s t u v w x y zt, tail recursion, talk mode, talker system, tan, tanked, tanstaafl, tape monkey, tar and feather, tarball, tardegy, taste, tayste, tcb, tcp/ip, teco, tee, teergrube, teledildonics, ten-finger interface, tense, tentacle, tenured graduate student, tera-, teraflop club, terminak, terminal brain death, terminal illness, terminal junkie, test, tex, text, thanks in advance, that's not a bug, that's a feature!, the literature, the network, the x that can be y is not the true x, theology, theory, thinko, this can't happen, this time, for sure!, thrash, thread, three-finger salute, throwaway account, thud, thumb, thundering herd problem, thunk, tick, tick-list features, tickle a bug, tiger team, time bomb, time sink, time t, times-or-divided-by, timesharing, tinc, tinkerbell program, tinlc, tip of the ice-cube, tired iron, tits on a keyboard, tla, tmrc, tmrcie, tmtowtdi, to a first approximation, to a zeroth approximation, toad, toast, toaster, toeprint, tofu, toggle, tool, toolchain, toolsmith, toor, top-post, topic drift, topic group, tops-10, tops-20, tos, tourist, tourist information, touristic, toy, toy language, toy problem, toy program, trampoline, trap, trap door, trash, trawl, tree-killer, treeware, trit, trivial, troff, troglodyte, troglodyte mode, trojan horse, troll, troll-o-meter, tron, troughie, true-hacker, tty, tube, tube time, tunafish, tune, turbo nerd, turing tar-pit, turist, tux, tweak, twenex, twiddle, twilight zone, twink, twirling baton, two pi, two-to-the-n