Excellent read on how to tiptoe add some planescape to a normal campaign https://theplanardm.com/introduction-to-planescape-4-4-adding-planescape-to-your-campaign/
Ah ha, Planar Slang, it is a thing. Derived from the colorful speech of 16th, 17th, and 18th century thieves, beggars, etc. https://theplanardm.com/planar-slang/
This entry was fun, a first person account of https://www.completecompendium.com/catalog/ps/2635/sislan/
Vocabulary, Like,here https://www.completecompendium.com/catalog/ps/2635/suisseen/
He or she always uses funny little specific speech patterns and these words to refer to people. Some speech reminds me of the lost children in mad max 2 or 3. It is like some who were lost amongst the planes and … became like yokels. Also reminds me of Farscape lingo and Firefly/ Serenity lingo. I am enjoying it.
Basher- does it always mean attacker? — that site above says A neutral reference to a person, usually a thug or fighter.
Sod - does it always mean attackee? Nope, sometimes just unlucky sods, in the British way.
Screed - untruth or nonsense.
Graybeard - old folks of knowledge
Berk - maybe traveller between planes?
Wash - means malarkey
Dead book - means u gonna die
Chant - means knowledge or experience or something . See https://www.completecompendium.com/catalog/ps/2635/terithra/
Bark - maybe one who is about to die, see https://www.completecompendium.com/catalog/ps/2635/terithra/
They often use slang like “ain’t”
Quote
'Course, a berk who tries to strike the membrane in melee must get close to the suisseen - close enough to be within the creature's watery exterior. That
suisseen - close enough to be within the creature's watery exterior. That means he's subjecting himself to an attack by the beast - fact is, the suisseen gets a chance to strike the sod even if it's already made its attack for that round
Example
often dragging him back to the Misty Shore for discipline - which means the dead-book for the bark.
