I don't know if you realise it or not but "PITA" is almost the perfect expression to use for networking equipment by the name of "Arris":
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Jonathon Green, a British slang lexicographer who authored The Vulgar Tongue: Green's History of Slang, told me that his favorite rhyming slang word is "arris," which means ass, because it actually goes through more than one round of partially-dropped rhyming. "Arris," he said, is short for "Aristotle," which rhymes with "bottle," which itself is the first half of the phrase "bottles and glass," which rhymes with "ass." So in rhyming slang, "I'll put my foot up your arris" means "I'll put my foot up your ass"
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Since he's British it should be "which rhymes with "arse", glass only rhymes with ass in the north of England and beyond, and even there they'd prefer arse over ass (a turn of phrase I hope to never use or see again!)
Ha yeah I suspect he's aware of the pronunciation differences but kept it that way for simplicity's sake.
Also I'm so sorry but "arse over ass" made me laugh and has kinda imprinted on me, so I'm gonna remember whenever I see "brigandish" in HN comments :-D
" Jonathon Green, a British slang lexicographer who authored The Vulgar Tongue: Green's History of Slang, told me that his favorite rhyming slang word is "arris," which means ass, because it actually goes through more than one round of partially-dropped rhyming. "Arris," he said, is short for "Aristotle," which rhymes with "bottle," which itself is the first half of the phrase "bottles and glass," which rhymes with "ass." So in rhyming slang, "I'll put my foot up your arris" means "I'll put my foot up your ass" "
from https://www.vox.com/2015/2/16/8045999/cockney-rhyming-slang-...