Yawning Hippo 

Another name for a larger than average Vagina, see also wizards sleeve

Christ! i went down on this bird last week and it was like looking straight into the mouth of a yawning hippo

Yawning Hippo by cheesey February 13, 2004

Cunt like a Hippo yawning 

A girl with a vagina so badly damaged when she upens her legs it looks like a hippo with its mouth open.

Dude I was going down on her and took her panties off and I got scard I thought I was on the Discovery channel, She had a cunt like a Hippo yawning and it made a wierd noise at me.

Cunt like a Hippo yawning by MERT July 4, 2012

hippo yawning 

A phrase used to describe someone's huge vagina.

''how was Linda in bed then?'' ''I didn't even touch the side's her fanny's like a Hippo Yawning''.

hippo yawning by NicLauren'sole April 17, 2016