a b-string is closely related to the G-string in the sense that it holds genitalia with a string. This specific string holds the breast in the same manner a G-string for the lower regions.
by yumyumyumsocksyum October 18, 2017
Get the B-stringmug. by Nayan Mandan2 November 6, 2009
Get the string cheesemug. Tim: Gina was so drunk last night that she put her g string on the wrong way.
Eric: Awesome, total V string!
Eric: Awesome, total V string!
by Steely Barry January 13, 2009
Get the V Stringmug. The group of 11 NFL players employed by the New York Giants and selected to be on the playing field at any given time.
The New York Giants are also known as the "G-Men". Thus, the offensive group of 11 players is the offensive G-String. The group of 11 defensive players are the defensive G-String.
by MULEHEAD January 21, 2010
Get the G-Stringmug. 
When your old lady is having a major period problem and won't let you chow her out because she has a super sized tampon in so you convince her to let you have some anal play, but first you have to lick her ass avoiding her tampon string, and every time you do she jumps and wiggles giving the appearance of you trying to eat a donut on a string.
My old lady was having such a major period problem, I had to play donut on a string to get her in the mood for anal.
by J Max March 16, 2017
Get the donut on a stringmug. After you bang a girl with 2 fingers for awhile, when you pull em out and then pull your two fingers apart like you're making the scissors in rock/paper/scissors. Look at all that pussy juice that sticks to em in string like forms between the two fingers. That's the string theory.
"Oh man, back when I used to bang Laura, according to the String Theory, I'd have at least 11 dimensions between my fingers."
by Kuato Lives March 29, 2009
Get the String Theorymug.