Pronounced: Eye-ehch-tee-gee. Acronym for "I Hate That Guy". Used in a business context to refer to nincompoops or others who just do not have a clue. The acronym allows the user to refer to said individual with little chance of knowledge of who you are referring to.
"IHTG, when is he going to figure out how things work here?" or, "I had a meeting with IHTG, and I am still recovering. He didn't get anything done on his deliverables."
Person 1: Brb <after some waiting>
Person 2: ihtgttbr bbttyftoiwbb
<more waiting>
Person 2: back
Person 2: you aren't back yet? omg, hurry up!
Person 2: i told you...
Person 1: back
Person 2: god, finally!
Person 1: why'd you say i told you?
Person 2: i said ihtgttbr bbttyftoiwbb!!! douche
Person 1: i don't get it...
Person 2: URBANDICTIONARY.COM, they'll tell ya...now go talk to someone that cares.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.