"know from a bar of soap" means: To know; to be acquainted with (a person).. This is informal slang, common in casual speech, texting and social media, but not appropriate for school work, applications or professional settings. There is no real cause for concern in itself; it is everyday peer vocabulary. If your child uses it, a light comment about audience and register is usually enough — no need to escalate. Context, more than the word, tells you whether to follow up.
know from a bar of soap
(UK, Australian, NZ, South Africa, idiomatic, informal) To know; to be acquainted with (a person).
Definitions
(UK, Australian, NZ, South Africa, idiomatic, informal) To know; to be acquainted with (a person).
After she won the lottery, Marge had long-lost relatives she didn't know from a bar of soap come up to her to ask for money.
"know from a bar of soap" means: To know; to be acquainted with (a person).. This is informal slang, common in casual speech, texting and social media, but not appropriate for school work, applications or professional settings. There is no real cause for concern in itself; it is everyday peer vocabulary. If your child uses it, a light comment about audience and register is usually enough — no need to escalate. Context, more than the word, tells you whether to follow up.
"know from a bar of soap" means: To know; to be acquainted with (a person).. Register: informal slang, fine in casual conversation, texting and social media but not in academic essays, business writing or formal speech. Note the regional or dialect label (UK) — usage may sound odd outside that variety. A common non-native mistake is to use the word in the wrong register, or to assume one fixed meaning when it is actually polysemous; always check the surrounding register and the audience before producing it yourself. In formal writing, prefer a neutral synonym or a short descriptive phrase, and use this word only when you have heard or read it being used naturally in
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For specific readers
Why is this section here?
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
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Semantically related
- soapie65%
(Australia, New Zealand, South Africa, informal) A soap opera.
- Joe Soap60%
British slang for a gullible person who gets taken advantage of, used as a fall guy, or volunteered for unpleasant tasks without much say in the matter. A Joe Soap is the one who ends up washing the dishes at the party, takes the blame for someone else's mistake, or gets roped into the worst assignment because nobody thought to say no on his behalf. The name is general enough to apply to any hapless everyman stuck holding the bag.
- soap dodger60%
(slang, Australian, ) An Englishman; a Briton; a person of British descent. Supposedly borne from the historical canard that the English only bathe once a year.
- Joe Soap59%
(UK) A foolish stooge or scapegoat.
- sapples58%
(Scotland) soap suds.