Jabot, m. (popular), stomach, or “bread-basket.” Meant formerly heart, breast. Chouette ——, fine breasts. Faire son ——, to eat.

Jacque, m. (thieves’), a sou.

Jacqueline, f. (soldiers’), cavalry sword.

Jacques, m. (thieves’), crowbar, “James, or the stick.” (Military) Faire le ——, to manœuvre.

Jactance, f. (thieves’ and cads’), speech, talking, “jaw.” Properly silly conceit. Caleter la ——, to stop talking, “to put a clapper to one’s jaw.” Quelle sale —— il a! how he does talk! Faire la ——, to talk, “to jaw;” to question, or “cross-kid.”

Jacter (popular and thieves’), to speak, “to rap;” to cry out; to slander. Meant formerly to boast.

Jacteur, m. (popular), speaker.

Jaffe, f. (popular), soup; box on the ear. Refiler une ——, to box one’s ears. (Thieves’) Jaffes, cheeks, or “chops.”

Jaffier, m. (thieves’), garden, or “smelling cheat.”

Jaffin, m. (thieves’), gardener. Termed in English slang “master of the mint.”