One joke about Coke (Coca-Cola) and coke (cocaine) is:
 
“I once tried to sniff Coke, but the ice cubes blocked my nostrils.”
     
“I tried sniffing Coke once, but the ice cubes got stuck in my nose” was cited in a 1996 newsgroup. The jocular line has been printed on many images.
         
 
Google Groups: comp.lang.pascal.delphi.components.usage
I need to show a jpg in a delphi program
Christian Tiberg
9/28/96
(...)   
I tried sniffing Coke once, but the ice cubes got stuck in my nose.
 
Google Groups: alt.child-support
Dandelion Break—Semi-Off-Topic Humor
NoWhere9
2/17/98
(...) 
I tried sniffing Coke once, but the ice cubes got stuck in my nose.
 
Google Groups: alt.fan.backstreet.boys
Nick’s Girlfriend’s Name
SWIMER4062
5/27/99
(...)
“I tried sniffing Coke once, but the ice cubes got stuck up my nose”~Nick
 
Twitter
Twila Marie
‏@twila_zoned
I tried sniffing Coke once, but the ice cubes got stuck in my nose.
11:40 PM - 22 May 2007
 
Twitter
jokesbytweet
‏@jokesbytweet
I tried sniffing Coke once, but the ice cubes got stuck in my nose.
9:13 AM - 6 Dec 2007
 
Google Books
Dim Wit:
The Funniest, Stupidest Things Ever Said
By Rosemarie Jarski
New York, NY: Random House
2008
Pg. 473:
I tried sniffing coke once, but the ice cubes got stuck in my nose.
Anon.
 
Google Books
Giggles, Gags, and Quips: Special Picks
By Thomas F. Shubnell
Published by author
2008
Pg. 136:
You tried sniffing coke, but the ice cubes stuck in your nose.
 
Buzzle
Hilarious Text Messages
Kashmira Lad
November 27, 2008
(...)
I once sniffed Coke, but the ice cubes blocked my nostrils.
 
Twitter
TILTEL
‏@tiltel
one day I tried to snuff coke, but the ice cubes blocked my nose. Pfoiiiiiiaaaaaaaaa!!!!!!!!!!!
12:24 PM - 10 Apr 2009
 
Twitter
נυηє ℓєση вαтιѕтα
‏@WaywardYouth
oh and i need to stop doing coke cause the ice cubes keep getting stuck in my nostrils lol btw not my joke
1:33 AM - 7 Aug 2009
 
Teitter
Lionel Faleiro
‏@sandmaxprime
I once tried to sniff coke but the ice cubes blocked my nostrils #lol #coke
8:58 AM - 23 Aug 2009
 
Twitter
YouWish
‏@UnderMySpeII
I once sniffed Coke, but the ice cubes blocked my nostrils..
8:37 PM - 24 Sep 2009
   
Google Books
The Mammoth Book of One-Liners
By Geoff Tibballs
London: Constable & Robinson Ltd
2012
Pg. ?:
I tried sniffing Coke once, but the ice cubes got stuck up my nose.
 
Google Books
The Snark Handbook:
A Reference Guide to Verbal Sparring
By Lawrence Dorfman
New York, NY: Skyhorse Publishing
2015
Pg. ?:
I tried snorting Coke once, but the ice cubes got stuck in my nose.