decaff 

girl who can perform strong, steamy sex

man that chick last night was a real decaff, it was the best I've ever had

decaff by iknowulikeit443 June 28, 2005

decafecate 

To evacuate one's bowels after a triple espresso.

I decafecated just this morning in Starbucks.

decafecate by Randy Randerson November 29, 2013

Decaf Mf 

A mf who DOESN'T drink coffee or any caffeinated beverage

That Decaf Mf only drinks water

Decaf Mf by darkestdarci March 15, 2023

Decaf person 

A person who is so boring they make you yawn

P1: Josh was such a decaf person I thought I was going to die of boredom

P2: Lol what'd he do
P1: He didn't do anything literally

P2: oof

Decaf person by 131313131313131313131313 April 9, 2021

Decaflon

de⋅caff⋅lon
 
Having to complete an extra ten hour shift, at short notice, and without caffeine.

Bill: You look tired.

Ted: Had to keep going last night, even tho the boss forgot to buy the coffee.... It was a bit of a decaflon, I ended up stealing a couple of Red Bulls from the fridge.

Decaflon by KeithMyArthe December 22, 2009

decafficate

To shit your pants after a triple expresso or large amount of caffeine

I decafficated all over the floor in starbucks this morning

decafficate by Bogfresh December 16, 2013

switch to decaf 

Saying used to tell someone to chill out or calm down. Usually used when dealing with overly energetic annoying people.

That guy Sal at the party just wouldn't shut the fuck up and kept talking over everyone, so I told him to "switch to decaf" or leave.

switch to decaf by flyindutchman April 9, 2015