A phrase to describe someone with a single awkward mannerism in an otherwise perfect social demeanor.
Steve: You know, Bill is a really nice dude. I can't find one single flaw in the guy's attitude.
Martin: Yeah, but when he held the door for me this morning, he gave me that weird grin of his.
Steve: Oh yeah, he's totally serial killer material.
Martin: Yeah, but when he held the door for me this morning, he gave me that weird grin of his.
Steve: Oh yeah, he's totally serial killer material.
by TBrownz August 14, 2008
Joey DiMarco just moved in next door to us.
Watch your pets around that kid, dude, he's serial material.
Watch your pets around that kid, dude, he's serial material.
by Shuaman November 16, 2017