Top 4 Ways to Tell if You're the Screech in Your Group of Friends:
4 - Other "friends" only hang out with you when your group of friends are around, are distant/rude to you when you're alone, and/or ignore you in public.
3 - When old friends bring up past memories it usually starts with, "Remember that one time when we made you _____?" and/or when they discuss their favorite/most fun moment as friends, you weren't invited.
2 - You're irritating, clumsy, unattractive and socially dysfunctional but your friends still keep you around.
1 - Look around. Are all your friends cool? Then chances are that the Screech is you.