The phenomenon of when you have sex with a very skinny woman, upon penetrating her, experiencing that beyond the first inch of vagina that you can't feel anything, and that there is a lack of friction and sensation.
"Hey dude, did you hit that skinny chick last night?"
"I did, unfortunately she had a hollow pussy and I couldn't bust a nut."
OR
"I had my dick in this skinny chick last night and was searching around and couldn't feel shit inside there"
"Ah my friend, you found a hollow pussy"
by Waycarr December 17, 2013
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