ace 

When you give the second half of your cigarette to another person.

Like a bust or bust down

"Hey dude, wanna ace me on that cig?"

ace by Kimberly_lucky7 March 7, 2008

ace 

jacking off 5 times in a day. this can cascade to such things like 'double ace' etc

having a day in the dorm by himself, tom successfully pulled off the elusive tipple ace.

ace by noochems January 11, 2009

ace 

(noun)
1-A unit of currency equal to one American dollar. =1.00
2-very trusted friend; close pal.
3-cannabis.

(adjective) wonderful; excellent.

Slip me an ACE so I can get sum chips brutha-man!

ace by Fangsta April 29, 2003

ace 

To recieve a blow job/cop some dome/get some head.

"Yo man I just got some ace in the bathroom."

ace by poopdogg December 12, 2004

ace 

the perfect male child/one who is prosperous & wears nice sweaters... then shows his parents.
his father then comes up with this lovely nickname.

son (came home from college to visit his parents): "hey, dad!"
dad: "hey, buddy! i sure missed ya, ace. how's law school treating you? are the professors being nice?..."

ace by they call her kara. May 21, 2009

ace 

Urination.
To drop an ace.
Used same as dropping a Duece

Duece= #2
Ace= #1

OH man, after those 6 coronas, 2 Kamakazi shots, and that coke, i have to drop a mad ace. (acer)

ace by Grant Carpenter (Trez) May 4, 2003

ace 

weapon used for protection in areas where danger is possible. Used commonly by thugs and gangbangers when they hit the club scene. Related to gats and glocks.

I keep my ace in my pants in case somethin should pop off.

ace by kurtisjax November 1, 2006