Scepulative 

Speculatively sceptical.

Lars was scepulative about the onset of the 2030 Arctic Blast apocalyptic climate event.

Scepulative by thePorous'tSegue September 5, 2015

Hetero-Speculative 

Someone who seems straight, but is actually gay.

Tyson turned out to be hetero-speculative, as I heard he was in the pride parade yesterday.

Hetero-Speculative by El ritardo June 25, 2018

Speculative Fiction

A genre of fiction that encompasses works with supernatural or futuristic elements.

The most notable genres of speculative fiction include fantasy, science fiction, horror, utopian, dystopian, alternate history, apocalyptic, post-apocalyptic, superhero and supernatural

The word "speculative fiction" was coined by American sci-fi author Robert A. Heinlein

Speculative Fiction by Nordicdragon June 27, 2018

Speculative Grenade

When playing a game shooting game, like like the call of duty series, and throwing a grenade as far as you can in the general direction of where the enemy might be in the hope of it being especially lucky and killing someone. Ccan also be done with a tomahawk on call of duty black ops, know as a speculative tomahawk. either can be shortened to spec tommy or spec genade.

i threw a speculative grenade and got a triple kill.

Speculative Grenade by Mac1zero May 30, 2011

Steplative 

A step relative. i.e. stepbrother, stepfather etc.

"Hey Mom, are you picking me up from the airport tonight?"
"No sorry, your stepbrother Phil is"
"Fuckin Steplatives..."

Steplative by Collo January 4, 2008

Speculative margin

noun

A physics engine setting that forces developers to speculate for weeks about mysterious collision bugs, when the solution was literally just setting it to 0.0 the whole time.

The amount of time you'll spend debugging phantom collisions before discovering this setting.

"Dude, I spent a month debugging microbumps in my voxel game. Turns out it was just Speculative margin. I'm never trusting physics engines again."

"My player kept bouncing on flat surfaces and I thought I was losing my mind. Classic case of Speculative margin syndrome."

Speculative margin by lewade April 12, 2026