Fragmentary as a fight (7)

I believe the answer is:

scrappy

I'm a little stuck... Click here to teach me more about this clue!

'fragmentary' is the definition.
(I've seen this before)

I don't understand the remainder of the clue.

(Other definitions for scrappy that I've seen before include "disorganised" , "Disjointed" , "Fragmentary" , "Fragmented" .)

I've seen this clue in the Evening Standard.

Want a hint initially instead of a full solution? Install my app