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full-on

adjective [after verb] (ENTHUSIASTIC)
 
 
/ˌfʊlˈɒn/ US  /-ɑːn/

Definition

very serious and enthusiastic, often in a way that is annoying to other peopleExcited, interested and enthusiastic
(Definition of full-on adjective (ENTHUSIASTIC) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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