Green’s Dictionary of Slang

buggle-bo n.

the vagina.

1600		Shakespeare Henry V [quarto text only] II iii: Keepe fast thy buggle boe.
1630		J. Taylor ‘Sculler’ in Works (1869) III 22: He was a Knaue, a Cuckold and a pander, / O no (quoth he) good neighbour say no mo, / I know my wife lets out her buggle-bo.
1639		J. Shirley Gentleman of Venice I i: [Courtesans] which shall tumble, And keep their bugle-bows for thee, dear uncle.
1664		‘Mistress Money’ in R. Thompson Pepys’ Penny Merriments (1976) 164: Her Master ... seeing her stark naked hee falls backward ... crying ... I never knew the power of thy bugle bow till now.
1674–9		‘Bugle-Bow’ in Pepys Ballads (1987) III 118: A match sweet Lady I would make [...] to shoot in the Buglebow.