snapstagram 

When you post a snapchat photo(a photo with that snapchat caption) on instagram.

Dude 1: Yo! Did you see her dank snapstagram?
Dude 2: Hell yeah, she's smokin' hot!

snapstagram by Truckload of Swag February 3, 2017

simpstagram 

A secret Instagram a simp uses to follow females or males they find attractive

" I gotta add that chick onto my simpstagram she's so fuckin hot"

simpstagram by Pteri March 21, 2022

Simpstagram 

An Instagram account that is usually kept a secret by it's owner. A simpstagram is normally kept a secret because it is used to follow female or males the owner finds attractive

"I hope that girl accepts the follow request from my simpstagram she's fuckin hot"

Simpstagram by Pteri March 21, 2022