stifflify 

is when a BIOLOGICAL MALE human being gets a boner, aka stiffy, hard-on, penile erection, boner, babymaker, chubby, fatty, bonny, bonk-on (UK) or erect penis at an impromptu time.

Harry Dick Johnson's penis went complete STIFFLIFY on the diving board during the competition in front of thousands of people! Poor schmuck!

stifflify by Dr. Real Nasty January 8, 2023

stiffly stifferson

A person who isn't keen to light-hearted or fun jokes. More specifically, pranks.

I put rat poison in my boss' coffee and he got mad at me. What a Stiffly Stifferson.

stiffly stifferson by Jablonsky May 22, 2004

spiffify 

To make something spiffy, to make it cooler.

Barber, spiffify my hair, Donald Trump style

spiffify by Seven November 12, 2004

Stiplify 

To specify a stipulation

Seriously, can we stiplify what direction our relationship will take?

Did we stiplify what conditions we agreed to?

Stiplify by Billyiam April 27, 2011

stiffling

This is a combination of a "stiff upper lip" attitude and stifling behaviour towards someone else. Making someone do something without giving them a choice (they are stiffing them of a choice!).

A school assigning pupils to do an extra curricular activity. (YOU KNOW WHO YOU ARE!) The pupil has no choice and has to commit time outside school hours to the activity. The school is therefore being stiffling.

stiffling by layla and hayley July 26, 2004

stiffly stiferson 

some one who displays stiffly characteristics

theres a guy in my apartment who is a real stiffly stifferson I'll get him good

stiffly stiferson by Joe Facker October 6, 2003

Stiffnifficent

To be at max stiffness. To achieve OG stiff status… YOUR NOT TO BE FUCKED WITH.. Being stiffnifficent, your known to have hands!!!!

I’m so stiffnifficent!

Stiffnifficent by SDPadgett June 18, 2026