Diesel 

The act of wiping your index or middle finger in between your but cheeks until there is a brown stain, then wiping it on someones top lip.

Person A: "Hey why did thingymebob vomit before you came back over here"

Person B: "ha ha, i just dieseled him"

Diesel by sghaskfkjhksjdfh November 22, 2011

diesel 

buff,lots of muscle brawlic

damn he is madd diesel he could lift a truck

diesel by Evanka August 8, 2005

diesel 

Another term for Budweiser.
Also, a key ingredient for Sloshball.

I drank a lot of diesel tonight playing sloshball.

diesel by Alana O'Reilly October 2, 2005

Diesel 

another word for pink lemonade when hungover

Sami: bro, i don't feel so good.
Chris: I got the perfect thing for you, here's some diesel

Diesel by Jib0122 November 14, 2006

DIESEL 

EXTREMELY LARGE PENIS

HORSE, WINE BOTTLE, PAPER TOWEL ROLL, hes got diesel

DIESEL by the real schmeal November 7, 2010

Diesel 

A girl that is big and ugly. Like a truck that only takes diesel gas.

Wow, that girl is diesel.

Diesel by Not A Diesel January 4, 2014

Diesel 

(n) Someone who is completely bald, hairless. Referenced to actor Vin Diesel.

Hey, look at that Diesel! His bald head is blinding me!

Diesel by Nickellass February 26, 2011