2-One who listens to things others say or people say in movies, then repeats them as a stupid jokes making no sense.
3-A complete 'dick head' to friends and gets mad or frustrated with them for doing something and does it more or worse themselves.
X: "I'm 2nd prestige in MW2!"
Sam: "Oh ya, well I'm 8th prestige!"
Y: "I'm 5th prestige."
Sam: "Wow you guys are such fags for playing too much video games!!!"
SamW. "my name is sam williams,"
SamF. "my name is Sam Fox,"
whitey. "damn i wish i was a sam, sams are so cool and good at basketball, sam williams is a better dunker than me, sam fox is just a damn good player,"
then at once they all said "LEGEND!!!"