1. Limping or walking with difficulty; lame.
Usage: informal; sometimes considered offensive when referring to a person with a disability
2. Weak, flimsy, or unreliable.
Usage: informal; slang

Examples

• After the injury, he had a gimpy walk for several weeks.
• The old chair was gimpy and wobbled whenever anyone sat on it.
• The internet connection was gimpy during the storm.
• She complained that her knee felt gimpy after the long run.
• That gimpy excuse won't work with the teacher.
• The gimpy fence needed repairs before winter.