Full-on is used to describe things or activities that have all the characteristics of their type, or are done in the strongest or most extreme way possible.
[informal]
What they were really good at was full-on rock'n'roll.
The coalition will face a full-on attack from the Government.
full-on in British English
adjective
informal
complete; unrestrained
full-on military intervention
full-on hard rock
Examples of 'full-on' in a sentence
full-on
Outside, the drizzle turns into full-on rain and a strong wind blows raindrops at Chantel's window.