1 definition by Petey Pie

Top Definition
1. When someone is left speechless after witnessing or being told something incredible.

2. To be hit forceably in the mouth.
1. I was completely gob smacked when my girlfriend told me she was really a man!

Seeing that water skiing squirrel has left me gob smacked!

2. I got my gob smacked last night when I gave my woman a dirty sanchez.
by Petey Pie October 25, 2005

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