(jon) noun Slang
1. A toilet.
2. A man who patronizes a prostitute.

(jon)
A masculine personal name: often used, especially in phrases or compounds, to denote a man or boy in general. [<Hebrew, the grace of the Lord]
—John
One of the twelve apostles, son of Zebedee and brother of James: also, the Gospel according to this apostle, or one of the three Epistles written by him: also called “Saint John the Evangelist.”
—John
Son of Zacharias; the forerunner of Jesus; beheaded by Herod Antipas: known as John the Baptist.
—John,
1166?–1216, king of England 1199–1216; signed Magna Carta, 1215: called “John Lackland.”
—John I,
1357–1433, king of Portugal 1385–1433; made treaty alliance with England, 1386: called “John the Great.”
—John II,
1319–64, king of France 1350–64; defeated at Poitiers, imprisoned in England: called “John the Good.”
—John III,
1624–96, king of Poland 1674–96; fought against the Turks: real name John Sobieski.
—John IV,
1605–56, king of Portugal 1640–1656; founder of the Braganza dynasty: called “John the Fortunate.”
—John XXIII,
1881–1963, real name Angelo Giuseppe Roncalli; pope 1958–63.
—John Chrysostom, Saint,
347?–407, one of the four Greek Christian fathers; patriarch of Constantinople.
—John of Austria, Don,
1547–78, natural son of Emperor Charles V; defeated Turks at Le-panto, 1571.
—John of Damascus, Saint,
700? –754?, Greek theologian: also called “John Damascene.”
—John of Gaunt,
1340–99, duke of Lancaster, son of Edward III of England; patron of Chaucer and Wyclif.
—John of Leiden,
1500?–36, Dutch Anabaptist leader.
—John of Salisbury,
died 1180, English churchman.
—John of the Cross, Saint,
1542–91, Spanish mystic: also Spanish San Juan de la Cruz.

(jon), Augustus Edwin,
1878–1961, English portrait painter.