by JT Dollar Sign August 31, 2003

Northern term for Nasty, a minging student drink made of lager, cider and blackcurrant. See also Nasty
by Nick May 21, 2004

Someone or something is massive, absolutely gigantic, you have never seen something that huge before.
Troy: Oh man you should of seen the size of my boyfriends dick, it was fuckin diesel!
Jeff: Wow you are fuckin gay! Get the hell away from me you freak!
Jeff: Wow you are fuckin gay! Get the hell away from me you freak!
by Marfing November 13, 2006

by Pele Jackson Jr. December 17, 2008

One who deletes your facebook comment(s) on his/her statuses or thier status itself because you either made them look stupid/like a fool or because you were right in an argument.
"He deleted my facebook comment, what a Diesel!"
"Lol he dieseled my facebook comment!"
"Stop being a Diesel!"
"Lol he dieseled my facebook comment!"
"Stop being a Diesel!"
by BroncosFan21 January 1, 2011

To engage in the act of drinking copious volumes of beer and devolving into a single cellular state.
by sherbasaurus January 24, 2016

by Big Rex 3000 September 24, 2003
