expression
extremely; exceptionally; super
Colloquial phrase used to emphasize a high degree, often in the pattern 超がつくほど. Literally 'so much that you could attach the character 超 (super) to it'.
See also: 超
彼は超がつくほど真面目な人だ。
He is an extremely serious person.
このラーメンは超がつく美味しさだ。
This ramen is exceptionally delicious.
Prefix meaning 'super-' or 'ultra-'; 超がつく is a phrase that uses this prefix metaphorically to mean 'extremely'.
Standard neutral adverb for 'very'; 超がつく is more emphatic and colloquial.
From the idea of attaching the character 超 (super) to something to emphasize its extreme degree. The phrase is a colloquial expression that became popular in modern Japanese.