Jactitation

A false boasting; a false claim; assertions repeated to the prejudice of another's right. The species of defamation or disparagement of another's title to real estate known at common law as "slan-'der of title" comes under the head of jactitation, and In some jurisdictions (as in Louisiana) a remedy for this injury is provided under the name of an "action of jactitation."
—Jactitation of a right to a church sitting appears to be the boasting by a man that he has a right or title to a pew or sitting in a church to which he has legally no title.

— Jactitation of marriage. In English ecclesiastical law. The boasting or giving out by a party that he or she is married to some other, whereby a common reputation of their matri-mquy may ensue. To defeat that result, the person may be put to a proof of the actual marriage failing which proof, he or she is put to silence about it. 3 Bl. Comm. 93.

— Jactitation of tithes. the boasting by a man that he is entitled to certain tithes to which he has legally no title. In medical jurisprudence. Involuntary, convulsive muscular movement; restless agitation or tossing of the body to and fro. Leman v. Insurance Co., 46 La. Ann. 1189, 15 South. 388, 24 In R. A. 589, 49 Am. St Rep. 348.