“A guy walks into a bar…”  is a typical form of what has been called the “bar joke.” A nose version is:
   
“A nose walks into a bar and asks for a pint. The barman says, ‘Sorry I can’t serve you, you’re off your face already.’”
 
“Off your face” means drunk. The joke ws posted to the newsgroup uk.rec.humour on March 17, 2003.
 
 
Google Groups: uk.rec.humour
Two fonts
Miss L.Toe
3/17/03
(...)
A nose walks into a bar and asks for a pint.
The barman says “Sorry I can’t serve you, you’re off your face already”
 
Google Groups: alt.happy.valley
Another one
Ergo
3/18/03
A nose walks into a bar and asks for a pint.
The barman says “Sorry I can’t serve you, you’re off your face already”
 
23 September 2007, The People (London, UK), “Joke of the Week,” pg. 37:
A NOSE walks into a bar and asks for a drink.
The bartender says, “Sorry, I can’t serve you, you’re off your face!”
 
That joke wins Mr T Wainwright, from Manchester, pounds 25 courtesy of loaded, the funniest men’s magazine.
 
Twitter
subo4233
‏@subo4233
A Drunk Nose (Joke)
A nose walks into a bar and asks for a drink.
The bartender says, “Sorry, I can’t serve you, you’re off your face!”
3:17 PM - 10 Jul 2008
 
Twitter
roguespy
‏@roguespy
A nose walks into a bar and asks for a drink.
The bartender says, “Sorry, I can’t serve you, you’re off your face!”
4:40 PM - 14 Jul 2008
   
Google Books
The Mammoth Book of One-Liners
Edited by Geoff Tibballs
London: COnstabe & Robinson Ltd
2012
Pg. ?:
A nose walks into a bar and demands a drink. “No way,” says the bartender. “You’re off your face.”
 
Google Books
The Boy on the Bridge
By Natalie Standiford
New York, NY: Scholastic Press
2013
Pg. ?:
“A nose walks into a bar and asks for a drink. THe bartender says, ‘Sorry, I can’t serve you. You’re already off your face.’”
 
23 September 2013, The Observer (Gladstone, Queensland), “Joke of the Day,” pg. 10:
A NOSE walks into a bar. The barman says: “We can’t serve you - you’re off your face!”
 
Reddit—Jokes
A nose walks into a bar
submitted June 3, 2015 by Snathster
The bartender said “I can’t serve you, you are already off your face
 
YouTube
A Nose Walks Into A Bar
Rule
Published on Dec 23, 2016