1. Disoriented, confused, or unable to concentrate as a result of one or more heavy blows to the head; suffering the effects of a concussion. Said especially of boxers. That boxer was punch-drunk after being knocked out in the ring—he couldn't even remember his name! You could tell the retired fighter was a bit punch-drunk after taking so many hits over the years.

2. Exhausted or fatigued to the point of disorientation or incoherent thought. I'm feeling a bit punch-drunk after studying for exams for two days straight. Of course he's punch-drunk—he's been driving for 12 hours straight!

1. Disoriented, confused, or unable to concentrate as a result of one or more heavy blows to the head; suffering the effects of a concussion. Said especially of boxers. That boxer was punchy after being knocked out in the ring—he couldn't even remember his name! You could tell the retired fighter was a bit punchy after taking so many hits over the years.

2. Exhausted or fatigued to the point of disorientation or incoherent thought. I'm feeling a bit punchy after studying for exams for two days straight. Of course he's punchy—he's been driving for 12 hours straight!

3. Forceful; dynamic; very effective and incisive. Your writing is quite nice, but the story could stand to be a bit punchier. She has this punchy way of speaking that always gets people's attention.