Can you help? A It's a fine bit of British English slang, usually in the form give it some welly. This instruction, often shouted to a person as encouragement or criticism, asks for more effort to be put into whatever he or she is doing. It dates from the 1970s.

Where does the expression give it some welly?

In British English, the noun welly, also wellie, short for wellington (boot), is used figuratively in the sense of force, power, frequently in the phrase to give it some welly and variants. This originally referred to putting one's foot down on the accelerator pedal in a motor vehicle.

What does Welly mean in slang?

Noun, slang: A name for a pair of rain boots. ... Wellies are waterproof boots, most often made from rubber or a rubbery plastic. They are usually worn for walking on wet, muddy ground, such as during a big rain storm or during hikes.