Top definition
To go to the toilets at work for the sole purpose of playing with yourself. Often this can take up to half an hour. Usually done at busy periods leaving your work colleagues to do all the work.
Bloke 1: "Wheres the new guy gone? its getting busy!"
Bloke 2 "Hes probably Going for a Johnathon"
Bloke 1 "Sounds about right "
by Nighter April 08, 2018
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Sep 12 Word of the Day
Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.
A:dude, Anatidaephobia is the coolest phobia ever!
B:quack!
by blank babushka October 24, 2009
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2
Going for a Johnathon is where you work on a night shift and skive off by going to the toilets for the sole purpose of playing with yourself
Back in a few, just Going for a Johnathon
by Nighter April 02, 2018
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