"LMK" (often written as "lmk" or "Lmk") is an abbreviation used in text messages for "let me know." It is used to express that the speaker wants the other person to provide information or updates on a particular topic.
"Ninty" is a misspelling of "ninety," which is the number 90. "Ninety" may be difficult to spell because some people may assume that they should drop the "e" in "nine" before adding the "-ty" at the end, which is not the case.
Aphagia is a medical term that involves the loss of the ability to swallow. The term can also encompass difficulty to swallow, as well as refusal to swallow.
Coquettishness refers to the quality or behavior of being flirtatious, playful, or teasing in a typically insincere way that is meant to attract attention and admiration.
"Monologuing" is an informal verb form of the noun "monologue," which is a speech or presentation given by a single person, typically a character in a play, movie, or performance.