Publication made at the moment, and can be either a photo or a normal publication, as long as it is done at the exact moment that the occasion is happening.
Look, this actor just did an "instapost" about his newmovie.
I like your "instapost" about your book.
How intriguing his "instapost" about that new movie
NOUN: An Instagrammer who indulges in trends, new or old, and tries to recreate them on their own feed, usually trying to impress others. (They tend to say that they had zero influence or inspiration.)
**Usually used as an insult**
Instagrammer 1: Wow, nice feed.
Instagrammer 2: Ya, I'm like the first person to ever have a slimeaccount lmfao
Instagrammer 1: What an instaposer...
Upon seeing a chick so hot, you instantaneously cream your pants. It's like a super-fast wet dream, but awake and in public. Often used in hyperbole since guys don't actually do this, except lame-ass premies.
Guy: Dude, did you see how tight that chick's ass was?