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3.
When your breasts are so big that they literally "bang" against your belly.
Some sluts tend to have big, saggy, bellybangers.
by ...? March 20, 2003
 
1.
Guy who likes to sleep with pregnant girls.
That dude is a belly banger.
by Dr. Zehas August 25, 2009
 
2.
The act of not finding the hole on a fat chick and picking a roll to bang instead.
Slick Willy couldn't find her puss so he belly banged her.
by Guru Imakuni February 21, 2003
 
4.
The act of attempting coitus with a sexual partner's belly-button. Works better with innies than outies.
She didn't want me to slip it to her quite yet, so I gave her a few belly bangers to remember me by.
by Tombstone Disposition February 21, 2003