Bit of body ink (3)
I believe the answer is:
tat
'bit of body ink' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tat that I've seen before include "Tawdry stuff" , "Cheap and vulgar tastelessness" , "Shoddy stuff (colloq.)" , "trashy clothing" , "Tawdry and shabby article" .)