A member of the opposite sex seated between two straight men as a "buffer", in order to cut back on awkwardness. Often abbreviated "PB" in casual use.
Jenna, Dave and Carlos have their panties in a twist and won't sit next to each other. Can you go over there and pussy buffer (PB)?
by cannedpeaches July 15, 2010
Female sexual partner used to distance ones self emotionally from ones ex's vagina before then sleeping with said ex.
by Vnastysoultrain December 5, 2016