Originally posted by blankitosonic:

Or use a bronze shield to parry their hits , with a flint or bronze spear u wreck these fatso boys

Me being the eternal tank that I am - that's my preferred method.

Step 1: Stay away from trolls till you've entered Bronze Age (if you come across one - RUN)
Step 2: Once you've entered Bronze Age - get a bronze shield
Step 3: Upgrade bronze shield (just to be on the safe side)
Step 4: Tank away! ;)