Knows One's Onions

What is Knows One's Onions?

to be thoroughly knowledgeable or competent in a subject area

Look at her working that poll, she really knows one's onions.

See dig, feelin it, with it, on it

Owap

1. when you connect two or more blunts together and smoke em all at once "yo go get 4 phillys were gonna roll a fat ass owap See blu..

Dkap

1. Drunkest Kid At Party. Jack: Man I was so wasted last night! Me: Yeah, you were definitely DKAP last night bro... See kid, party, dru..

Halfpipe

1. When wearing pants...the fact that the zipper area curls into a curved surface resembling the formation of a halfpipe. also looks like y..

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Knows One's Onions Edit Meaning