bug
n.— «Programming and films on digital TV channels are, he complains, routinely disfigured by irrelevant and unnecessary captions and graphic devices and, in particular, by “dogs” (digital on-screen graphics) or “bugs” identifying the channel.» —“No logo campaign takes shape” by Nick Higham BBC Apr. 16, 2002. (source: Double-Tongued Dictionary)
Further reading
“What has a head like a cat, feet like a cat, a tail like a cat, but isn’t a cat?” Answer: a kitten! A 1948 children’s joke book has lots of these to share with kids. Plus: an easy explanation for the difference between...
A book of photographs and essays by famous writers celebrates libraries — and the librarians who changed their lives. Plus cutting doughnuts, spinning cookies, and pulling brodies: There are lots of ways to talk about spinning a car in circles on...