full-on
All-out; out and out; complete; utterAll-out; out and out; complete; utter.
Meaning
2 sensesAll-out; out and out; complete; utter.
Extreme; to the maximum degree.
Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.