know one's 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

Common Names:

NameGenderPronouncedUsage
PatrykPAHT-rikPolish
Susy['su:zi]
Antwanan-TWAHNAfrican American
Miomee-oJapanese
PiiaPEE:-ahFinnish
AdolfAH-dawlf (German), AH:-dawlf (Dutch)German, Dutch, Swedish, Norwegian, Danish, Czech, Ancient Germanic