adj. A statement of one's level of commitment or enthusiasm superseding balls deep. Though not physically possible, it paints a damn vivid picture of how far one is willing to go.
Boy 1: How long have you been sitting there playing Call of Duty?
Boy 2: Four days, sixteen hours and three deathmatches.
That text was probably an accident, but I have to uphold my authority, so I'm gonna get him in here to get knee deepin his ass (knee deep in ass) over it for the next hour.
Chris: " yoooo bro i DDDA that girlyesterday, she had not showered for a while it ended in a muddy situation, big yikes."
21 Savage: "fuckkkkk let me slurp da muddy situation up for you ;)"
DDDA - Deep Dicked Dat ASS!!