a set or pair of hang down vaginal lips that are larger than normal. to be true 'boston bat wangers'; they must hang low/long enough to wrap around a penis
by fuzzypugnutz February 16, 2010
 Get the boston bat wangersmug.
Get the boston bat wangersmug.  Get the boston bat wangersmug.
Get the boston bat wangersmug.