DEF: one who is at the top, the best one.
Merriam-Webster Online Dictionary
top gun (noun) one who is at the top (as in ability, rank, or prestige)
Top gun
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Synonyms: Extend
DEF: ceremony at which a baby is given a name and made a member of the Christian Church
DEF: A competition in which a series of several games are played. EX: Football tournament, tennis tournament, chess tournament.