The transgender, intersex and queer portions of the LGBTIQ population.

TIQ is part of the LGBTIQ initialism. TIQ refers to diversity in gender and biological sex, as opposed to LGB which refers to sexual orientation.

T is for Transgender, which typically refers to trans men and trans women, but also encompasses many gender diverse experiences, representing a spectrum of gender identities, including non-binary, genderqueer, genderfluid, agender, and more.

I is for Intersex, an umbrella term for people born with physical sex characteristics that don’t fit medical and social norms for male or female bodies. There are dozens of intersex variations with formal medical diagnoses and etiologies, which apply to roughly 1% of the population.

Q is for queer, for those who do not fit typical labels and expectations of binary categories such as heterosexual or homosexual, cisgender or transgender, either in the form of gender identity, gender expression, romantic relationship, or social non-conformity. Queer used to be a pejorative, but is now a reclaimed word among those who find the old categories of gender identity and sexual orientation inadequate.
The TIQ population have needs that are not always understood by their LGB allies.
by Naomi Lauren November 21, 2017
Get the TIQ mug.
Also "The 'tiq"; Short for hpnotiq, a popular and destinctive alcoholic beverage.
"Say, Jerome, let's roll down to the club and sip on the 'Tiq!"
by bib4tuna November 8, 2007
Get the Tiq mug.