The phrase appears in the film Carry On Doctor, where Fred (Julian Orchard) uses it in a more literal sense, simply referring to looking for a woman who Ken (Bernard Bresslaw) has seen and taken a fancy to.
He also played Ibbotson in the Doctor Who story Mawdryn Undead in 1983, and as a child, played the boy with a potty stuck on his head in Carry On Doctor.
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She is best known for her appearance in four Carry On films - Carry On Cabby, Carry On Doctor, Carry On Again Doctor and Carry On Don't Lose Your Head.