when some one has taken pills and the effects control the actions of your penis eg it will not erect for the duration of the effect of the drug

When you munch too many dids and your cock shrivels up and remains floppy.

Derived from the Latin 'Pillius Willius.'

When one has consumed too many ecstasy pills and therefore an erection cannot be achieved, resulting in no craic-at-all flaccidness.

Getting so drunk That you end Up asleep on the floor with your penis out. In the morning you don’t remember and you pretend that you have a small willy because you was drunk