(online communication) Initialism of too long; didn’t listen., signaling that an audio message (such as a podcast or voicemail) lacked communicative efficacy because of its length.

(US, meteorology) Initialism of one-hour timelag fuel moisture.

(countable) Initialism of three-letter acronym/abbreviation / (US, humorous, countable) Initialism of three-letter agency: the CIA, FBI, NSA, etc. / (chemistry, uncountable) Initialism of trilaurylamine.

Abbreviation of Tlaxcala, a state of Mexico.

(uncountable) Initialism of tender loving care. / (uncountable, analytical chemistry) Initialism of thin-layer chromatography. / (uncountable, business, engineering) Initialism of technology life cycle.

Initialism of The Learning Channel, a U.S. television channel owned by Discovery Communications.

(Internet) Initialism of top-level domain. / (physics) Abbreviation of thermoluminescent detector. / (physics) Abbreviation of thermoluminescent device.

(Internet slang) Alternative form of tl;dr

An Indian people from Mexico.

Their language.