Reference to Jay and Silent Bob in the movie Mallrats .
To cheer someone on.
Do it Doug!
"" I want to go sing karoke after I do these 3 shots!""
""Do it, Doug! ""
To commemorate the legendary Doug. A man of mystery that throws parties for people in West Virginia. He’s a musician and a professional RC car driver. When you yell “do it for Doug” you should have a beer in your hand while raising it to the sky.
Come on Jeffery do it for Doug chug that beer!