full throttle noun 2adverb 1forms 3 noun2 •A maximum setting on an engine or motor control: especially, the totally open position of a valve for air intake, but also any corresponding maximum setting.there was no further sign of any Nazi planes, Perry banked southward and went roaring home to Base on full throttles — 1943 •(figurative) A maximum level of speed, effort, or risk.I'm in the full throttles of an embrace and this is wonderful. — 1999 adverb1 •All out; at maximum speed, effort, or risk.The other, the Christina Covey, there was another that never knowed the harbour, why, she come in full throttle — 1988 formsfull throttles · more full throttle · most full throttle