Allyl

[Sarah]

An organic radical, C3H5, existing especially in oils of garlicand mustard.

[Dave Paprocki]

A retard who makes the sound [HuHuHu] when she gets excited by looking at girls hercats. She is a rare species crossed between a horse, a skunk and [a Greg]. You can see clearly in her face that she has [traces] of a horse in here.

[Rihanna]

Of or denoting the unsaturated hydrocarbon radical —CH₂CH=CH₂