Bawdy Brit has no boundaries and no hair! (6)
I believe the answer is:
ribald
'bawdy' is the definition.
(I know that bawdy can be written as ribald)
'brit has no boundaries and no hair' is the wordplay.
'has no boundaries' says to take the centre (the letters at the boundaries are removed).
'and' says to put letters next to each other.
'no hair' becomes 'bald' (I can't justify this - if you can you should give a lot more credence to this answer).
The central letters of 'brit' are 'ri'.
'ri'+'bald'='RIBALD'
Can you help me to learn more?
(Other definitions for ribald that I've seen before include "Humorous in vulgar or disrespectful way" , "Irreverent" , "Humorously vulgar" , "Funny, but not nice" , "Indecent" .)