Definition of scrappier:
(adj) :
(informal) Having an aggressive spirit; inclined to fight or strive.
(adj) :
(informal) (Of a fight) characterised by lots of ungainly or wild punches, grabs, wrestling, etc.
(adj) :
(informal) (Of a sports match) characterised by awkward or clumsy play.
(adj) :
Consisting of scraps; fragmentary; lacking unity or consistency.