The feeling of being completely and utterly infatuated by Someone, you often dont realise you have become a victim of the Lily effect until it is too late. Many teenage boys experience the lily effect on a daily basis, however it must be accepted as a part of life, that you are quite simply in love with her.
"man, its the lily effect"
by Potassiumslayer February 23, 2015
The act in where an adolescent male begs a female for nudes until it gets to the point of extreme humiliation, when they deny all knowledge of sed nude.
by Potassiumslayer February 24, 2015