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11.
Contraction or shorthand for the more common phrase, "dicking (someone) up the ass." Anal sex, male or female. Can be used as a noun or a verb, see below.
"Did anyone here assdick last night?" "How many guys did you assdick last weekend, Fred?"

Verb: "I assdicked that cutie in the barroom bathroom, he was SOOO hot..."
by Joseph E. November 06, 2004
 
1.
the act of a female when spooning with a male, the female then positions her ass directly in alignment with the male's dick. this is usually practiced as a full proof technique to initiate sex, especially when the male is oblivious to her previous advances.
"After suffering through 3 hours of tivo'd Entourage I slipped him the assdick and we were sexin it in no time."
by MelissaVanessa October 03, 2009
 
2.
This is the word you yell at college basketball coaches when they make really stupid decisions.
"Grow some balls, ass dick!"
by pookie March 22, 2005
 
3.
Adj.
1. A compound word containing the words "ass" and "dick." When put together, it means to be the ultamite form of an idiot, jerk off, or jack ass.
2. It can also be used as an expression of excitement.
3. More commonly, it is randomly screamed out to make people look.
1. "Wow I can't believe he was going out with five other girls," said Sydney to Felicia. "He is such an assdick!"

2. "Assdick!" I yelled as the kid knocked my glass over.

3. ASSDICK! Wait what?
by sydneyg February 23, 2009
 
4.
An assdick is a penis that eminates and protrudes from the ass. Those with an assdick were either born with it, or had it surgically grafted on by a man known only as Dr. Bob.

The purpose of the assdick is to block the entrace of unwanted objects (such as other penises) into the anal cavity. When the assdick senses an incoming threat, it immediately erects to disallow entry.
OMG that fag tried to buttfuck me, but luckily my trusty assdick was able to protect my anal virginity.
by Turd Ferguson (ADR) June 17, 2007
 
5.
Someone who has an ass in their dick. Also used as an insult against Gays and the Thai.
Tyrone: Yo
Bobby: What?
Tyrone: YOU'RE AN ASS DICK!
Bobby: Say what? I haven't got a dick stuck up my ass!
Tyrone: You're gay, and Thai! GET OUT HERE YOU MINORITY!
Bobby: :(
by 00jace no.2 February 08, 2014
 
6.
noun - A dick long enough to be tucked into the asshole slash sphincter.

adjective - a person who is enough of a jerk to be called an ass and a dick at once i.e. one who is a rude/mean and a tool at once and possibly all of the time.
Bobby Joe comes walking down the hall with his shirt collar popped and blatantly ignores Claudia when she says hello to him; she turns to her biffel Amanda and says "Wow. What an assdick."
by pandarex November 24, 2009
 
7.
A scarcely documented and extremely rare medical condition in which the afflicted actually suffers from a dick hanging out of his or her ass.
Ross was born with such an enormous assdick that it looks like he is always wearing a diaper with ten pounds of doo doo in it.
by smeg nog August 28, 2008