Person one: I feel so lonely right now.
Person two: what? You are with like 1000 people right know.
Person one: but that doesn’t matter, I’m not lonely but I feel lonely iykwim.
Acronym. Stands for "If you know what I mean". Mainly used in instant messaging conversations. Can also be used in conjunction with "AITYD" (and I think you do).
"I could really go for a tossed salad for lunch."
"Oh, I've got a salad for you to toss, IYKWIM...AITYD."
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.