How has this not been done before?
Source: youtube.com / via: reddit.com
How it's done in four easy steps:
Step 1: Cut off my long hair of three years
Step 2: hot glue it into a wig (yes, slightly serial killerish, but wait..)
Step 3: Wear that wig, my friends thinking it's my hair
Step 4: Pull it off suddenly and presto, friend freakouts
Via: laughingsquid.com