A bastardization of wordpwned/word, which was derived from the word wordowned/word. The meaning remains throughout the words, as being defeated, destroyed or verbally raped in some way. Can also be written as "prawnz0red".

From STEM, an abbreviation short for "Science, Technology, Engineering and Mathematics", a STEMlord is a pejorative term for a particular kind of person who has studied in these areas at university or works in these fields who holds a pretentious, condescending attitude to anyone who has studied in any other fields, particularly the Arts and Humanities. They typically believe themselves to be more "intelligent" and "rational", while generally remaining incredibly ignorant outside of their areas of expertise and having the charisma of a rotting pig's backside.

When Pepe the King Prawn (muppet) takes you to school in some form or fashion.

To be prawned is to be so blazed that you cant remember.

"remember what?"
what?
To get prawned refers to the act of smoking the pots and 'prawn' refers to the dankest of kush

Being prawned is slang talk for being blazed af. Prawn refers to good weed and to get prawned is to get high.