DARFC... Ducking And Running For Cover
DBEYR... Don't Believe Everything You Read
DD... Due Diligence
DDD... Direct Distance Dial
DETI... Don't Even Think It
DF... Dear Friend
DGA... Don't Go Anywhere
DGT... Don't Go There
DH... Dear Hubby or Husband
DHYB... Don't Hold Your Breath
DIKU... Do I Know You
DILLIGAD... Do I Look Like I Give A Damn
DILLIGAS... Do I Look Like I Give A Sh**
DIY... Do It Yourself
DKDC... Don't Know Don't Care
DL... Download
DLTM... Don't Lie To Me
DMI... Don't Mention It
DNC... Does Not Compute
DQYDJ... Don't Quit Your Day Job
DRIB... Don't Read If Busy
DUST... Did You See That?
DWYM... Does What You Mean
DYFM... Dude You Fascinate Me
DYJHIW... Don't You Just Hate it When
DYOFDW... Do Your Own F***ing Dirty Work
DYSTSOTT... Did You See The Size Of That Thing

I can see you having fun with some of these Titus! *lol*