Yes, to be a Buddhist, one does not need to give up sex and
meat. However, I would have to dispute about the meat part. First
of all, we are not the Buddha and we don't have the same level of
attainments as he does and so, when we eat meat, we are collecting
subtle levels of negative karma because we are allowing animals to
be slaughtered for our meal.
There's no dispute that
slaughtering of animals is an act of killing and that when we eat
meat, one is creating the demand for meat and so, we are implicated
in the acquisition of meat. On top of that, in this day and age,
getting vegetarian food is just so easy. What's stopping us? It's
our lack of discipline and strong attachment to meat. Eating meat
does not make us not a Buddhist but we could be a better Buddhist
if we would develop compassion and awareness about the harm we
inflict on others. I apologize to sound really harsh but that's
reality. We have to face reality so we can improve and be
better.