Forelong 

A guys who has a big forehead but is actually very stupid and has a small brain inside.

Omg, jimmy has forelong.

Forelong by elxtxnn April 29, 2016

Forelength

The added length one gives to his penis, often used in exaggeration when one knows they are in possesion of a small penis.

Man 1: Bro, my dick is 9 inches soft!

Man 2: Maybe with forelength.

Forelength by HalfBreed15 December 8, 2011