"A migraine of conservatives"

I've always been fascinated with language; when I was a kid, I used to read William Safire's On Language column in the New York Times magazine. Recently, Salon asked readers to submit their ideas for modern collective nouns; in addition to the one cited in the headline here, a few others caught my eye (the full list is here)...

• a smug of Priuses
• a brace of orthondontists
• a coil of electricians
• a fuss of toddlers
• a giggle of tweens
• a knot of sailors