Top Definition
The act of grabbing a huge amount of female pubic hair in a bull rider like fashion and quickly inserting the penis into the vagina causing a loud ROAR. Best performed with 80's bush.
Daniel totally caught me off guard last night when he Tweaked the Lion!

Hey Michelle, Jon told me he was Tweaking the Lion last night. That guy is a stud!
by Jon, Daniel & Michelle November 01, 2010

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