This is the part where the cartoonist laughs maniacally.
And also braces for various potential comments that will be rendered moot in two days time.
BUT MOSTLY THE LAUGHING!
In answer to a fair question, yes, the Cheerleadra spell involves strength boosting, but there's so much more to the spell that a brain-smarts reduction wouldn't work as a trade. I wasn't planning on addressing that in-comic anytime soon, but again, fair question, so addressing it here for now.
Okay, FINE, I'll show enough of their surroundings with people nearby so Tedd's expression in the penultimate panel makes sense.