Definition of rough and tumble:
(n) :
Alternative form of rough-and-tumble. [Rough activity; fighting or brawling; a fight.]
(adj) :
Alternative form of rough-and-tumble. [Active, vigorous and rough, with the possibility of harm.]
(v) :
Alternative form of rough-and-tumble. [(intransitive) To engage in rough-and-tumble activity.]