spiffen 

being awesome

Man that math class sure wasn't spiffen.

spiffen by somnewguy April 24, 2011

Spiffanese 

LB Spiffy's 🔥 language (wayyyy better than cartinese)

Yute: Wtf is LB saying
Niraj (person who came up with the word "Spiffanese"): It's spiffanese fam you're too slow to understand it😂😭

Spiffanese by Niraj January 26, 2021

The Spiffing Brit 

The most British channel on YouTube. 100% Yorkshire Tea certified. Also the CEO of SpiffCo, which has conquered many lands. There is no exploit he cannot find.

One day the Spiffing Brit is going to find the exploit to real life.

The Spiffing Brit by Doctor J October 13, 2020

Spiffed Up 

The act of being dressed up in a suit and tie, for an occasion or for no reason at all.

Matt: I feel like getting spiffed up and going to a nice club tonight. These dive bars are getting old.
Jack: Calm down

Spiffed Up by Random user May 3, 2017

Spiffing Mammaries 

Harry Styles favorite things. (FUN BAGS)

Louis: WOAH! look at those nice fun bags
Harry: SPIFFING MAMMARIES!

Spiffing Mammaries by Niall Horan February 16, 2012

Stiffened Sailor 

To have sex, on a boat, in the middle of a lake or out at sea

Person 1: What’d u guys on the boat for so long?
Person 2: Well, we were talking for a while, then we went to the middle of the lake and did a Stiffened Sailor

Stiffened Sailor by Carl0sSp1cyWeiner May 26, 2022

Stiffen 

To stiffen someone means to give someone a right good beating so they are stiff in the morning. If you stiffen someone they won't know what's hit them. Said to have originated in Glasgow, Scotland.

Example 1:
Jock: Here mate did you see stiffen Bobby last night?
Div: Oh aye, he will be stoatin about this morning!
Example 2:
Jock: Shut it or all stiffen you!
Davy: Awright the come ahead ya fud!

Stiffen by Jock McTavish March 22, 2013