Meaning of knocker-upper | Babel Free
Definitions
The male who has sired a pregnancy.
humorous, informal
Examples
“What, Shelley is pregnant?! Who's the knocker-upper? [ = Who's the father?]”
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.