Chocoholic

“Chocoholics” (chocolate + alcoholic) are addicted to (or just really love) chocolate. The term “chocoholic” has been cited in print since at least 1961 and 1964; it was one of the first terms to use the popular -aholic suffix.
 
The variant spelling “chocaholic” has been cited in print since at least 1971.
 
   
Free Merriam-Webster Dictionary
choc·o·hol·ic noun
\ˌchä-kə-ˈhȯ-lik, ˌchȯ-, -ˈhä-\
Definition of CHOCOHOLIC
: a person who craves or compulsively consumes chocolate
Variants of CHOCOHOLIC
choc·o·hol·ic also choc·a·hol·ic \ˌchä-kə-ˈhȯ-lik, ˌchȯ-, -ˈhä-\
Origin of CHOCOHOLIC
chocolate + -aholic
First Known Use: 1968
 
(Oxford English Dictionary)
chocoholic, n. and adj.
Etymology:  <

choc- (in chocolate n. and adj.) + -aholic suffix
A habitual and prolific eater of chocolate; esp. a person who is very fond of chocolate.
1972 Washington Post 25 May k8   My dog is a chocoholic. He loves chocolate in any form.
1976 Business Week 29 Mar. 94   Sheron says he used to be a ‘chocoholic’, but lost 50lb in nine months last year.
   
11 January 1961, Pasadena (CA) Independent, “Reporter at Large” by Lyle W. Nash, pg. 7, col. 6:
WOULD YOU call a person who is over fond of chocolates a chocoholic?
 
Google News Archive
23 March 1964, Spokane (WA) Daily Chronicle, “‘Miracle-Worker’ Aids Dieter” by Margaret C. Rockwell, pg. 11, col. 1:
How this “chocoholic” needed will power!
   
18 January 1968, Lethbridge (Alberta) Herald, pg. 1, col. 8:
Frances Grossehmig showing her “Chocoholic” tendencies as she polished off several large pieces of Lois Dudley’s chocolate-walnut cake.
 
3 April 1971, Cumberland (MD) Times-News, pg. 14, col. 3 photo caption:
GENE WILDER. who just finished his fifth movie “Willie Wonka and the Chocolate Factory,” is an admitted chocaholic.
   
OCLC WorldCat record
The chocoholic diet book.
Author: Sally Ann Voak
Publisher: Blake, 1992.
Edition/Format:  Book : English
 
OCLC WorldCat record
Chocoholic
Author: Elizabeth Wolf Cohen
Publisher: London : Southwater, 2001.
Edition/Format:  Book : English
 
OCLC WorldCat record
Chocoholic : a little book of quotations for chocolate lovers.
Publisher: Rotherham, [England] : History & Heraldry, ©2002.
Edition/Format:  Book : English
 
OCLC WorldCat record
Chocolate to die for : chocoholic mysteries
Author: JoAnna Carl
Publisher: New York : Obsidian, ©2010.
Series: Chocoholic mystery
Edition/Format:  Book : Fiction : English
Summary: In the “The Chocolate Puppy Puzzle,” a Hollywood producer decides to make a movie based on Lee McKinney’s romance novel, and the small-town author finds herself entangled in a web of sweet talk and intrigue, complete with corpse, and in “The Chocolate Mouse Trap,” Lee McKinney sets a trap to find a killer after party planner Julie Singletree is murdered.