Of this, I have had abundance of proof in my own experience.

Sometimes their remarks are absolutely rude, and personally offensive, as a disregard of one's national character, is a disrespect to his principles; but as personal quarrels on such grounds are to be avoided, I have uniformly retorted in kind, if there was the smallest opening for such retaliation." "Now, every gentleman in the States repudiates such sentiments as these.
My object in mentioning the subject to you, is to request the favour of you, to persuade Sam not to be too sensitive on these topics; not to take offence, where it is not intended; and, above all, rather to vindicate his nationality by his conduct, than to justify those aspersions, by his intemperate behaviour.

But here he comes; I shall withdraw and leave you together." Fortunately, Mr.Slick commenced talking upon a topic, which naturally led to that to which Mr.Hopewell had wished me to direct his attention.
"Well, Squire," said he, "I am glad too, you are a goin' to England along with me: we will take a rise out of John Bull, won't we ?--We've hit Blue-nose and Brother Jonathan both pretty considerable tarnation hard, and John has split his sides with larfter.

Let's tickle him now, by feeling his own short ribs, and see how he will like it; we'll soon see whose hide is the thickest, hisn or ourn, won't we?
Let's see whether he will say chee, chee, chee, when he gets to the t'other eend of the gun." "What is the meaning of that saying ?" I asked.

"I never heard it before." "Why," said he, "when I was a considerable of a grown up saplin of a boy to Slickville, I used to be a gunnin' for everlastinly amost in our hickory woods, a shootin' of squirrels with a rifle, and I got amazin' expart at it.