Coloquialism for male genitalia (Penis), predominantly used in Scotland.
Recently used as a double-entendre in a number of songs by Real Radio breakfast presenters
Robin Galloway and
Kat for example "I love ma boaby (on a Saturday night)" where Cecil'
s boaby is explained to be a small mouse.
Used on a number of wind-ups on the same show...
e.g. I've stuck my boaby up my exhaust