A stress induced bowel movement. Stands for 'Stress Dump'.
Jesse: "Hey man, why didn't you pick up my call?"
Scotty: "Sorry, Fiona broke up with me, I was taking a strump."
An enthusiastic and unsarcastic way of saying Awesome, Amazing, Cool, or Wow.
Also a way of referring to how good something is: the best, unbeatable, perfect.
Sally: "OMG, Brad! Charlie proposed last night!"
Brad: "Wezknome! Congratulations on the engagement."