Definition of roasts:
(v) :
(transitive or intransitive or ergative) To cook food by heating in an oven or over a fire without covering, resulting in a crisp, possibly even slightly charred appearance.
(n) :
A piece of meat suited to roasting; meat that has been roasted.
(n) :
A meal consisting of roast foods.
(v) :
(transitive, figuratively) To admonish someone vigorously.
(v) :
(transitive, figuratively) To subject to bantering, severely criticize, sometimes as a comedy routine.
(n) :
(Canada, US) A social event at which food is roasted and eaten.