Top Definition
When in a public or non-intimate setting a female's breast accidentally becomes exposed.
We were getting some pizza after the club and as we were leaving the shop we saw some surprise titties.
by zoombie14 July 23, 2009
When a woman's breast look small when she is wearing clothing; however, when she removes her shirt they are surprisingly large.
I thought Sarah had small boobs..but dude, she has surprise titties.
by smoothpuma March 17, 2010
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