1. a cup of coffee
Usage: informal; slang; dated
2. a stupid or incompetent person
Usage: informal; slang; dated; derogatory

Examples

• He grabbed a jamoke before heading to work.
• I need a jamoke to wake up this morning.
• Don't be such a jamoke about the rules.
• That jamoke forgot his keys again.
• She ordered a jamoke at the diner.