Roast

A toast that pokes fun at the guest of honor is a roast.

Merriam-Webster Online Dictionary
roast (verb)
transitive verb
1.
a) to cook by exposing to dry heat (as in an oven or before a fire) or by surrounding with hot embers, sand, or stones - roast a potato in ashes
b) to dry and parch by exposure to heat - roast coffee beans
2.
to heat (inorganic material) with access of air and without fusing to effect change (as expulsion of volatile matter, oxidation, or removal of sulfur from sulfide ores)
3.
to heat to excess - roasted by the summer sun
4.
to subject to severe criticism or ridicule - films have been roasted by most critics H. J. Seldes
5.
intransitive verb
to honor (a person) at a roast
1.
to cook food by heat
2.
to undergo being - roasted
roast (noun)
1.
a piece of meat suitable for - roasting
2.
a gathering at which food is before an open fire or in hot ashes or sand - roasted
3.
an act or process of roasting , specifically severe banter or criticism
4.
a banquet honoring a person (as a celebrity) who is subjected to humorous tongue-in-cheek ridicule by friends
roast (adjective)
that has been - roasted roast beef
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