a small application that performs a specific task from typed computer command that the adverage computer user does not understand its a applet or app for computer geeks. applet + geek = geeklets
my geeklets on my computer are so usefully it funny how that dude nextdoor does not understand how to get these geeklets lol.
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.