When you put your thumb up a girls butt while doing it from behind, almost as if its a butt plug.
"Yo, did you and katie do it last night?"
"Yeah, she took the thumb treatment."
A young, bratty child trying to impersonate a "vsco girl", usually wearing rainbow leggings and crop top with tied up hair. They think they are superior and would dominate a battle of any sort when they wouldnt stad a chance. They use inspirational quotes and act 'cute' and 'quirky'.
Person1: "I saw a Dsco this morning"
Person 2: "Im so sorry"
Person1: "Please pray for me tonight"