know (one's) stuff

(redirected from knows his stuff)

know (one's) stuff

To be very knowledgeable or skilled in some area. I think Nicole is our best candidate for the job—she really knows her stuff when it comes to corporate accounting.
See also: know, stuff

know one's stuff

 and know one's onions
to know what one is expected to know. I know my stuff. I can do my job. She can't handle the assignment. She doesn't know her onions.
See also: know, stuff

know one's stuff

Also, know one's onions. Be experienced or knowledgeable in one's field or in the matter at hand. For example, Patrice knows her stuff when it comes to Mexican history, or We need a handyman who knows his onions. The allusion in the variant is unclear. [First half of 1900s]
See also: know, stuff

know your ˈstuff

(informal) know everything that you should know about a job, a subject, etc: I was very impressed by your lawyer. He really knows his stuff.
See also: know, stuff
References in periodicals archive ?
Michael Leask of Edinburgh knows his stuff as his bet covered football, rugby union, rugby league and grid iron.
We've seen him impersonate DJs in his stand-up, but as he takes to the turntables we see he really knows his stuff.
WHEN I read Peter Beardsley's favourite derby line-up in Saturday's match programme I thought 'This guy knows his stuff '.
He is great with the players and is trustworthy while Alan Combe is our goalkeeping coach and knows his stuff.
But when it comes to grinding wheels, he knows his stuff.
I met him at a knife show long ago, and as you all can see, he knows his stuff, and can make a knife along with the best of them.
Air Force survival instructor, Solomon teaches survival workshops for the New Mexico Department of Game and Fish, so he definitely knows his stuff.
She said: "He knows his stuff politically and it will be fascinating to hear him taking on the politicians.
Jamie Roberts A shock selection at centre during the summer, but the autumn has confirmed Warren Gatland knows his stuff with the trainee medic shining against the best Mike Blair Scotland's captain has been lauded by South Africa and New Zealand and could see off the challenge of Mike Phillips, Gareth Cooper and Dwayne Peel.
As Paul says, if Simon Cowell really knows his stuff, he should be well aware that Liverpool is a hotbed of musical talent having produced more number one singles than anywhere else in the country.
Game programmers receive an in-depth, advanced guide to getting the most out of the Torque Game Engine, and comes from a long-time Torque programmer and trainer who knows his stuff.
Saying that, Roberts knows his stuff too after meeting his Czech mate while plying his trade in Eastern Europe during his playing days.
Roker, the NBC Today Show weatherman who has done several Food Network television specials devoted to barbecue, certainly knows his stuff.
Clarke, knows his stuff Thanks for the reminder about the bags, Brooke.
The list of cars he's had is comprehensive, and he most certainly knows his stuff.