DWLU

DWLU stands for Direct Waveform Look-Up (table; microwave theory)

DWLUS

DWLUS stands for Driving While License Under Suspension (criminal offense)

DWM UST

DWM UST stands for Division of Waste Management Underground Storage Tank

DWITS

DWITS stands for DWI Tracking System (Missouri State Highway Patrol)

DWISNWID

DWISNWID stands for Do What I Say Not What I Do DWISNWID stands for Do What I Say Not What I Did