full-on

• full on

From full- (“fully, completely”) +‎ on.

full-on

1. All-out; out and out; complete; utter.
   • 1966, Bruce Brown, director, The Endless Summer:

     This was a full-on jungle, full of all kinds of creepy things - snakes, spiders. They expected Tarzan to come swinging by on a vine.

   • 2012 May 20, Nathan Rabin, “TV: Review: THE SIMPSONS (CLASSIC): “Marge Gets A Job” (season 4, episode 7; originally aired 11/05/1992)”, in The Onion AV Club‎^[1]:

     It only takes a little tweaking for the Simpsons’ home to become a full-on freak show, with Homer as its perpetually apoplectic main attraction.

   • 2025 September 17, Paul Clifton, “"You don't get the luxury of self-pity in this job, because the machine is continuing to churn problems at me" says Sir Andrew Haines”, in RAIL, number 1044, page 28:

     "Seven years," he confirms. "Nobody else has done more than four. The job has been wonderfully rewarding, but very full-on. There hasn't been a lot of time in my life for normal things. I needed to find a better balance." Unprompted, he dives straight into the obvious question: having told everyone he intended to be the last chief executive of Network Rail, why the change of heart?

2. Extreme; to the maximum degree.

full-on

1. Totally; with full commitment.