Examples from literature

• Skoocooms were cannibals – they ate other people! 
• For fear he should turn cannibal and eat you? 
• I thought cannibals were people that ate each other. 
• It is fortunate that these cannibal devils are too stupid and too anxious for human flesh to exercise patience. 
• Not one ship escaped destruction, and when that part of their work was ended the barbarians swarmed down the cliffs, speared the floating corpses, and dragged them to land for a cannibal feast. 
• They more resembled cannibals than Europeans at this banquet, for the blood ran down the beards of many, so hungry were they for meat after the long agony of the march.