also tranny "transsexual person," 1983, from transsexual + -ie. In 1960s and '70s the word was used as a slang shortening of transistor radio and in car magazines for transmission.
Entries linking to trannie
transsexual
1957 (adj. and n.), from trans- + sexual, and compare transsexualism.
-ie
alternative spelling of -y; now mostly of -y (3), but formerly of the others as well.