a slit in a garment that exposes material of a different color underneath; used in Renaissance clothing
"The velvet doublet featured an elegant jag at the front, revealing the rich silk lining beneath."
a bout of drinking or drug taking
"After weeks of sobriety, he decided to go on a jag at the local bar before heading home for good."
A sharp projection.
"She decided to trade her Honda for a sleek black jag after seeing it drive past on Monday."
Enough liquor to make a person noticeably drunk; a skinful.
Acronym of judge advocate general.
A Jaguar car.
"He dreamed of owning a classic British jag someday."
cut teeth into; make a jagged cutting edge
"The dull blade began to snag and tear at the fabric, leaving a ragged hole where it had jacked through the material."
To cut unevenly.
"The old saw blade had jagged teeth that made it difficult to cut straight through the wood."
"The hedge trimmer left a jagged edge along the top of the bushes."
The word "jag" comes from Old English giacga and originally referred to a sudden movement or thrust. Its root is likely sound-symbolic, similar to words like "jam" and "rag.