A friend or someone you know who has changed so much that you barely recognise them. (To be) unrecognisable. (To) change. Look(ing) different
1. They really like being a goob, huh?
2. Everyone at Halloween looks super goob-ish
3. You've really goobed
4. They're a goob compared to last year...
A person who wants to become Internet famous, but isn't getting anywhere at the current moment
They're a jito alright, we'll see how they get on in a year or two.