Top Definition
When someone posts an Instagram photo with the sole intention of putting someone down, or "slamming" them. Often indirect, but heavily implying the insulting nature of the picture.
Girl A-"Hey, did you see Emily's Instagram showing off her ass with you tagged?"
Girl B-"That bitch has been Instaslamming me ever since I wore those yoga pants."
by The Wordsmithy October 14, 2014
Sexual intercourse with a hipster; usually occurs in the context of a one night stand but the term refers to hipster sex generally.
Bro 1: Did you sleep with that hipster girl from Friday's party? I saw you guys sharing a tall boy of PBR.
Bro 2: Instaslammed her! Mad awkward though, she's in Art 403 with me.
by Brosephilus February 23, 2013
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