Instalker 

Someone who follows strangers on Instagram and follows every story they publish.

"I'm one of your instalkers and love your recent story on places to eat in Vietnam."

Instalker by abnvngpl October 20, 2018

instalegacy 

Code created that becomes legacy code the moment it is written. Typically written by someone who has been allowed to code when they clearly shouldn't have been.

Woah! This new mobile-app code is instalegacy. Is that a GOTO?

instalegacy by meadsteve March 2, 2014

Instaleg syndrome 

A neurological syndrome characterized by unilateral or bilateral numbness of lower extremities while sitting on the toilet for long period of time reviewing social media. This may in some cases extend up to and including your buttocks and perineum.

Hey dude, get off the shitter or your gonna get Instaleg syndrome!

Instaleg syndrome by Dr Gasman May 13, 2016

instalike 

When you see a status on Facebook, and you like it within one minute of its posting. Can be conjoined with megalike to form the megainstalike.

John Doe - I like pooping.
Jane Doe - omg hahah *instalike*

instalike by poobicus October 26, 2010

instaeverything 

Anything that can instantly happen, in an instant.

I was walking down the street and thats when it happened, instaeverything.

instaeverything by Fischer5315 October 20, 2010

instalmentally 

Nigerian-style adverb usage of the INSTALMENT.

He pays back the loan instalmentally.
We will redeem our pledge instalmentally.

instalmentally by Boskine February 7, 2018

instajerk 

When ur bored as hell and bored of ur girlfriend so you go on instagram and jerk off to pictures of females

I didnt wanna have sex with my girlfriend friend today so instead i whipped out my cock and my phone and instajerk'd

instajerk by Thoninq1 August 4, 2015