Ten times out of nine, now if I'm lying, find
The quickest muzzle throw it on my mouth and I'll decline
This continues the “puppy love” metaphor from the bridge. André is saying that he is so positive that his apology is sincere, that he is willing to put on a dog muzzle and go silent if anyone else can prove he is lying.
“10 times out of 9” equates to more than a 100% chance, and is another example of the hyperbole 3 Stacks is using to prove the sincerity of his apology.
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