When your listening to a Gucci mane song and your trying to sign into a computer, and instead of typing your name out you keep typing Gucci Mane and get mad at the computer for not recognizing it.
When you just smoked a blunt with a friend and attempt to roll another one and realize you're so high you can't really roll it right so you pass it to your friend to do it for you.
You know you're high when your on this site before Thanksgiving dinner reading a ton of stupid posts beginning with "you know you're high when.."