Hunk/hʌŋk/ Definition 1 of 2Pro Tip 1/3Shapeless Mass Used for items with no fixed shape, often food or materials. We gathered a hunk of clay to sculpt. Pro Tip 2/3Large Quantity Emphasizes the substantial size or quantity of the item. He added a hunk of wood to the fire. Pro Tip 3/3Informal Usage Primarily used in casual conversation rather than formal writing. Grab a hunk of cake before it's all gone!