a noun, very hyper and extrodinary skinny. allie silber is also known as the skinny best friend. it is usually used in a sentance describing really nice people who like to travel. Allie is also known for being shy and very loud.
OMGG you so just acted like allie silber! that bird now looks like allie silber! Did you see how allie silber she was acting!
ayon kay the anyonomous friend ika-30 ng Hunyo, 2009