Coughtation Mark, (Noun) Is the use in text, and in verbal speech, of the word "cough" or by emulating the bodily function of "coughing" to humorously hide and or interject a snarky phrase or comment during conversation, usually meant to possibly annoy one person, while potentially amusing others present or partaking in said conversation.
Female: Does this make my butt look big?
Male: *Cough* thicc AF *Cough*
Female: Did you just say "cough"
Male: Yes, I used Coughtation Marks