d up 

to put up your defenses, your guard. Could also be used as a place over crowded like *this place is (deed) up*.

*d up bitch your about to get snuffed*

*damn b the place deed up*

d up by Romaineheart July 8, 2003

d up 

what happens when you work out a lot and increase muscle mass. see "swole"
Used as an adjective: "D'ed up"

Damn Troy, you tryin to get d'ed up?

d up by mackaroon May 19, 2005

d up 

D-up used as an Exit line

Im out..D up
yo D up..
d up

d up by Big Homie of the YZ Gang May 14, 2006

d-up 

defense

cops are coming

d-up by nadia October 24, 2003

d-up 

To give a blowjob or act slutty. To give head to anyone when intoxicated just to make people think you are sexually advanced and cool.

That chick d you up?
or
Yo, cmhere and d me up.
or
Dawg she always wants to d-up at every party.

d-up by aksgnad August 31, 2008

D-Up 

1)You yell d-up when you are on the block and only when you are the 1st to see the cops. You say d-up just to let everyone around you kno they are there.2) You can also call the cops D-Up too. Depending the situation could mean, "RUN"

1)"AYo D-UP the law coming up the one-way!"

2)"Thats D-UP over there in that parked taurus, with the tints"

D-UP D-UP D-UP.... If you dirty you should start walkin'

D-Up by Spoon from Philly August 6, 2010

d-up 

To take a shit, do the duece

Are you goin in there to d-up? or, Smells like somebody went d-up in there.

d-up by Mike Jones 2813308004 October 27, 2005