The first three words of Leopold Scotch's aka Butters trademark song. Goes:

Loo loo loo, I've got some apples
Loo loo loo, you've got some too...

And ends with either:

Loo loo loo, let's get together
I know what we can do loo loo

or:

Loo loo loo, let's make some applesauce
Take off your clothes and loo loo loo

He sings this when he's playing, doing chores like shoveling snow, practises it to present in the talent show, while he is scared and forcibly made to "play" and on all sorts of other occasions.
Loo loo loo, I've got some apples
Loo loo loo, you've got some too
Loo loo loo, let's get together
I know what we can do, loo loo.
by G.Dawg October 1, 2006
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Taking your friends 22 inch dildo and giving your other friend a dry willie with it.
"Little D totaly freaked when I went Goo-dgloo-loo-loo"
by Beefy_Roller November 16, 2004
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the best song you will hear created by the one and only pure southpark character Butters!
"loo loo loo ive got some apples,loo loo loo youve got some to loo loo loo lets get together i know what we can do loo loo.
by YourNewFather November 19, 2021
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