Top Definition
the most adorable creature to ever walk the planet. she is always happy and trying to help others. she is an amazing person and is a saint. she is also the definition of love. i would know because she has absolutley stolen my heart...
"wow that bunny is such a Jenna O'Brien!"
"jeez you need to be more like a Jenna O'Brien and do some charity work, dude!!!
"Dudee, i hope to find a Jenna O'Brien by Valentine's Day!!!
by just some guy in love with her January 28, 2009
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