1a. n. A half-chuckle expressed when reading something that's only slightly clever.
1b. n. "Slightly clever" applies to Stan's definitions. The other lexicographers' are much more clever.
If you've tried to post a comment on a Blogger's blog, you've likely run into Word Verification, that random string of letters that you must type in order for your comment to go through. Sometimes we've seen that "word" and made up a funny definition for it. This is a lexicon of those definitions.