1. a person who teases or makes fun of someone
Usage: informal
2. a machine or tool used for making ribs or ridges in fabric or other materials
Usage: technical

Examples

• Don’t be such a ribber – he’s already embarrassed enough.
• The kids called him a ribber because he was always making jokes about everyone.
• The textile factory uses a ribber to create the ridged pattern in the sweaters.
• She adjusted the ribber to make deeper grooves in the fabric.
• The ribber stopped working, so they had to finish the job by hand.