What is Rilla?
1.
Real, actual, true
Man for rilla I could killa gorilla
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2.
A loud, boisterous mother of a female love-interest from the perspective of her companion.
While being in the presence of your rilla, I always attempt to treat her differently than I would typically with other such boorish individuals.
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3.
the gangsta way of saying gorilla
yoo that nigga smells like a rilla