naught: worthless, useless

solitary: alone (not in anyone's company)

private: lonely

vild: a variant of "vile" which can mean a) despicable b) degrading c) filthy and/or d) depraved

spare: frugal

humor: disposition

stomacke: a) appetite; b) inclination

Philosophie: practical wisdom

wants: lacks

meanes: resources

Nature, nor Art: birth or education

good breeding, or comes of a very dull kindred: breeding: upbringing; dull kindred: stupid family; he that has no knowledge by inheritance or industry (Nature, nor Art) is likely to complain of his lack of education unless he is very dull indeed. The joke is that Corin's philosophies consist of simple statements that should be self-evident to anyone who is intelligent.

like an ill roasted Egge, all on one side: Eggs, roasted in hot ashes, were spoiled if not turned while cooking.

good: a) courtly; b) morally correct

parlous: perilous

Not a whit: not in the least

salute not: do not greet one another

but you kiss: (do not greet one another) without kissing each other's hands

Instance: give me an example/proof of that

Fels: pelts, fleeces

content with my harme: am resigned to my affliction

simple: a) foolish; b) unashamed

offer: presume

bawd: pander, pimp

Bel-weather: the leading sheep of a flock, the flock would know to follow the leader because of the bell around their neck

crooked-pated: with crooked horns (symbolic of a cuckold, or a man who's wife is cheating on him)

Cuckoldly: possessed of an unfaithful wife

the devil himselfe will have no shepherds: the only way Corin can escape hell is if the Devil himself finds shepherds so thoroughly evil that he won't admit them into hell.