full-on

See also: fullon and full on

English

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

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.
Extreme; to the maximum degree.

all-out; out and out; complete; utter — see out-and-out

totally; with full commitment — see through and through