[churl·ish] rude in a mean-spirited and surly way.

[je·june] naive, simplistic, and superficial.

a term used to describe nonsense, foolish talk, or writing.

[pawk·y] having a mocking or cynical sense of humour.

[caperlash] abusive language or scolding

[mor·dant] (especially of humor) having or showing a sharp or critical quality; biting.

[dog·mat·ic] inclined to lay down principles as incontrovertibly true.

[fat·u·ous] silly and pointless.

hot-tempered or easily angered.

[nod·dy] a silly or foolish person.

[ten·den·tious] expressing or intending to promote a particular cause or point of view, especially a controversial one.

[codg·er] an elderly man, especially one who is old-fashioned or eccentric.