Top Definition
BDM
the Big Damn Movie - refers to Joss Whedon's Serenity, released September 30, 2005 in the US. A continuation of Joss's cancelled show Firefly, it has a relatively small but intensely fanatic fanbase of Browncoats.

The term 'Big Damn Movie' is derived from a line in the fifth episode of Firefly, 'Safe'.

Mal: Well, look at this! Appears we got here just in the nick of time. What does that make us?
Zoë: Big damn heroes, sir.
Mal: Ain't we just?
"We all hoped the BDM would do better at the box-office, but...we're still flying."
by Sinatra November 09, 2005
11 more definitions
BDM
BDM "big dick millionaire" is the elite of the Tom and Dan followers. A little tip touching may be needed.
Are you a scumbag? No sir BDM for life. Suckin fat titties.
by BDM SFT TandD April 20, 2015
BDM
"Big Dick Mouth" or "Black Dick Mouth". Term for a girl that has a really (physically) big mouth; big enough that she can throat a monster cock in it.
I was on imdb.com today and i noticed that the chick Maiara Walsh has BDM. She Can gargle my jizzternine any day.
by Gnezz10 May 15, 2010
An 'umberella' term in which many fetishes and sexual fancies come into play. Every type of sex besides 'vanilla' CAN be called bdms but it usually involves types of bondage and role playing i.e. master and slave
Do you live the bdms lifestyle???

How are you enjoying bdms??
by Bdms enthusiast January 01, 2012
bdm = big dick mother fucker
girl: damn nigga use a b.d.m. fo real
dude: fo sho!!
by Michael156818643 December 03, 2006
BDM
A "BDM" is a slang term for a lesbian. "BDM" or "Big Dyke Mule" is used by the grandmother in the hilarious comedy "The Wedding Crashers".
Oh that Elenor Rooselvelt was just a carpet muncher. A big ugly dyke. A big, dyke mule! "BDM"
by twrigh3 September 23, 2010
bdm
back door man. A male that provides sex for a woman doggy style or/and anal sex.
I sure would like to be her BDM!
by Stanco October 29, 2006

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