A brand of ice cream...never heard about the 'other' meaning, lewis.

They're ad campaign is pretty damn good.

A person with an outwardly dominant, masculine, or aggressive personality, but who also enthusiastically takes on the submissive or "bottom" role in the bedroom.

A Conical-shaped dildo, that is kept in the freezer

meaning "Convenience Store", generally the type run by a person of Indian origin.

The reason for this usage is due to the film "Shaun of the Dead", where Shaun asks Ed if he wants anything from the shop, to which he replies "cornetto". The shop that Shaun then visits is a stereotypical representation of a cornetto.

Creepy stalker who sits outside your window.

A brand of ice-cream vended in the UK and surrounding areas that is also a term for a long and agile penis.