The excitement you get when walking into a store where every piece of merchandise is a piece of merchandise you would like to purchase.

or

The orgasm you reach while fornicating in a store.

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.

An orgasm that has not been released for a long time.

The orgasm you have on the site of a store or a shop.