A large, ungainly girl (tall, well built than fat) who appears a bit dumb and/or clutzy, not particulary attractive. Or perhaps a girl who is a bit too big to be completely feminine, like Kimora Lee Simmons. Basically a girl whose physical presence is vaguely reminiscent of that hulking, slow-witted animal, the moose, which lacks the grace of something like a stag.
That girl is a real moose!
British Labour (Co-Operative) MP, currently holds the office of Secretary of State for Children, Schools and Families (which used to have the concise title of Department of Education). It's a mystery how somone called Balls could get so far in politics.
Children's Secretary Ed Balls today announced plans to improve the quality of education for young offenders in custody.