Instiflas 

compound word- "instantly"-"flaccid"

Seeing something so completely grotesque that your erection instantly wither's and dies.

person 1: "I thought id rub an easy one out last night. went to redtube and clicked a random video, skipped to the middle and realised it was gay-porn. instiflas."
person 2: "DUDE!?! why are you telling me this? but yes, the same thing happend to me the other day."

Instiflas by pokoi August 8, 2009

instaflush

A tecnhique of instant, pre-wipe toilet flushing, used when a particuarly bad smell is anticipated, often in a guest's house.

I was at my bird's house last night and had to instaflush. Just couldn't risk it in the downstairs toilet

instaflush by Asthmatic Mule December 26, 2014

Instablast 

1) v. to "like" every image in one's Instagram feed in a single, continuous session without regard for the quality of or interest in the content.

2) v. slang term used by millennials to describe a sex act by a male who prematurely ejaculates.

It took me forty-five minutes to Instablast, since I hadn't looked at my Instagram account in several days.

Instablast by joshuaware January 25, 2016

Instaflaccid 

An event causing an erection to become flaccid almost instantly.

That cottage cheese face was an instaflaccid.

Instaflaccid by PeteZar33 January 17, 2009

Instigasm 

An action referring to having an instant orgasm, usually used in a sexually tense situation.

Matt had an instigasm while grinding with Amanda

Instigasm by killax359 May 29, 2008

Instablast 

v. to feel an immediate and mutual suspicion or dislike for someone you have just met

I can tell by his smug face that we aren’t going to get along. He’s on instablast.

Instablast by seeyounextwednesday September 17, 2016

Instaflair

The unique style and aesthetic that someone showcases on their Instagram feed.

His Instagram feed was a true reflection of his instaflair, with stunning photos and a cohesive aesthetic. 📸✨🌈

Instaflair by Marc2.0 August 11, 2023