Commonly thought to be "Soy Un Perdedor," which is actually completely stupid. Actually translating to "I'm a loser," this phrase is from the song "Loser" by Beck.
Sur un perdedor, I'm a loser baby, so why don't you kill me?
A small piece of information. Derived from the word ken, used often in the scottish language and is synonymous with knowledge.
Person 1: "Hey I don't get this shit. How do you solve this problem?"
Person 2: "I got that one. Give me some kenlets on this assignment and I'll help you w/ that one."