(UK) To apply great physical effort to (something).
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Add your own interpretation of "give it some welly".
UK and Irish slang — Cockney, Scouse, Geordie, Yorkshire, Glaswegian, Brummie, Welsh, West Country, plus Irish English. Centuries of regional dialects feeding into modern British and Irish street talk.
See all British & Irish slang slang on Slangora.
(UK) 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 entertaining
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Browse all slang words starting with G.