giving it some welly

Verb

give it some welly (third-person singular simple present gives it some welly, present participle giving it some welly, simple past gave it some welly, past participle given it some welly)

1. (UK, slang) To increase fuel or power to an engine, as to a car by depressing the gas pedal.
   • Believe me, if you give it a little welly down a twisty B-road this car feels pretty entertaining2000, Autocar, page 63
2. (UK, idiomatic, slang) To apply great physical effort to (something).
   • First they always obey the golden rule ‘Whatsoever thy hand findeth to do, do it with thy might’ (Ecclesiastes 9:19), which translates as ‘always give it some welly’.2008, Mark Salter, Trevor Turner, Community Mental Health Care: A Practical Guide to Outdoor Psychiatry