willy watcher 

A man that stands next to you in the gents toilets and spends all the time eyeing up yer wood

You:I was in the toilets and Tom came in and stared at my penis.
Friend:Didn't you know he waas a Willy watcher

willy watcher by Geordie Boy October 14, 2003

Willy watcher 

A man who enjoys watching younger males shower. Most Willy Watchers are employed in public schools as P.E. teachers.

That Mr. Andersen always seems to be in the changing rooms after P.E. He is fucking creepy, that Willy Watcher.

Willy watcher by geezerdk January 2, 2012

Willy-watcher

A woman (or cruising gay man) who checks out trouser bulges to estimate the size of the owner's penis.

Hilda loves big dick; she's a willy-watcher 24/7.

Willy-watcher by Edna Sweetlove July 30, 2010

Willington willy watcher 

The Willington willy watcher. Can often be seen frequenting local water closets.

How marra that's a big 1"said the Willington willy watcher"

Willington willy watcher by Hewmarra2 February 11, 2021

sam the willy watcher 

an expression used for peeping on ya m8 wile hes avin a slash.

hes actin like such a sam the willy watcher.

sam the willy watcher by jonesy9999999999999999999999 April 12, 2007