Downright Shakespearean this phrase: pregnancy as belly-bubble on a dame. The implication being I Was Already Doing ABC when you weren’t even born.
‘When you were what? –
A bubble on a dam?’
Christopher Logue, War Music: An account of Books 1-4 and 16-19 of Homer’s Iliad, London: Faber and Faber, 2001, p. 20