The abbreviation for a sexual position known as "Grab, Down, In", the position is commonly used in
kinky or
rough situations:
"Grab, Down, In" is basically just manhandling whoever is receiving dick and an extremely rough style of
sex
'Aye
bro I heard you fucked Kaylee
last night and people are saying it got
kinky'
'Yeah it did, it all started when Ii GDI'd her'