chocoholic
noun/ˌtʃɒkəˈhɒlɪk/
/ˌtʃɑːkəˈhɑːlɪk/
(also chocaholic)
(informal)- a person who likes chocolate very much and eats a lot of it
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chocoholic
Definition of chocoholic noun from the Oxford Advanced Learner's Dictionary