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1.
The Beasty -est girl a person can meet. Extremely Rare. She has Raging boners when excited and loves....to be.... Excited.
Boy 1: I love a good Jessilin.

Boy 2: Fuck Yes, So rare. Love her Boner.
by BDawgCuhhhhh August 17, 2011
 
2.
The girl name Jessilin is pronounced as JHEH-SihLIYN †. The origin of Jessilin is Hebrew, meaning God beholds, foresight. Jessilin is a variant form of the name Jessica (English and German).

Jessilin is unusual as a baby name for girls. It is not listed in the top 1000 names. Among the group of girl names directly linked to Jessilin, Jessica was the most popular in 2008.
Jessilin is such a beautiful name that is should be used more often.
by For Jessilin February 02, 2010