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1. smudgie
A smudgie is when you freeze a length of your shit, and use it as a dildo on a girl.
Wouldn't it melt I hear you say? That's the smudgie part.
I've got some smudgie crust left on flaps this morning.
2. smudgie
Schoolboy slang (especially boarding schools in Australia): The act of wiping one's spread bare arse and "brown eye" on someone or something, thereby leaving a smudge.
In that last rumble, not only did I get dacked, but Hargraves also smudgied my nose.
3. smudgie
A frozen desert or snack consisting of a mix of banana and peanut butter, sandwiched between two graham crackers.
Let's make smudgies for the picnic.
4. smudgie
The act of putting your foot against the fence and raking downward over a hole that a dog has it's nose in.
What you can do to quiet your neighbor's annoying,barking dog.