look up any word, like blumpkin:
 
1.
A womans vagina... an everyday goal for drunken college dudes...the stinky pink between the female legs.... sometimes known as "the holy region"...
Man Bob, I sure would love to pound that birthhole.....
Gee Scotty, I wonder if her birthhole region is bald or bushy...
I asked Patrice if I could do her in her bung hole but she said no, only my birthhole...
by Matt Z October 09, 2004
 
2.
One's belly button. In refrence to the umbilical cord.
"Stick your finger in my birth hole"
by the barracuda January 08, 2008
 
3.
one who is extremely exotic, one who flops boats at will, one who wins scratch-offs any time he chooses to do so, or one who chuckles uncontrollably.
The Birthhole chuckled as he flopped a boat.
by michael bean July 02, 2006
 
4.
The place that fags/butt pirates/rump ranger/bum ninja/fudge packer/ralph nader voters/portland/san fransisco residents avoid, except while shopping with fag hags, and then only to watch them model plus-sized stretch pants.
George W. Bush and all true American males like to plunder the birthhole, unlike grab-ass faggots like Osama bin Laden and Jacque Chirac, who prefer bum-licking.
by Ryan Lavaca December 18, 2004