This is the 7382nd most frequent Russian word.
головкин
"Головкин" is a Russian surname and does not have a standalone meaning in English.
Here, 'Головкин' is a proper noun serving as the surname of a famous individual.
Боксер Геннадий Головкин известен по всему миру.
The boxer Gennady Golovkin is famous worldwide.
In this context, 'головкин' might be used as a nickname or term, possibly fictional or contextual, representing an energetic or thematic element in the story.
В фильме звучало много головкина, что сделало его очень энергичным.
In the film, there was a lot of 'golovkin,' which made it very energetic.
Here, 'головкин' appears to be a metaphor or informal name referring to a unique or notable person or object.