What does YDU stand for?

What does YDU mean?

YDU	Kasba Lake Water Aerodrome, Kasba Lake, Northwest Territories, Canada Regional » Airport Codes
YDU	Young Disabled Unit Medical » British Medicine
YDU	You Don't Understand Internet » Chat
YDU	Yttrium-Doped Ultrathin film Academic & Science » Electronics
YDU	Young Designers United Business » Firms
YDU	Young Democrats of Utah Governmental » State & Local
YDU	Yellow Dog University Governmental » Politics
YDU	You Don't Understand Computing » Texting
YDU	Yellow Dog Updates Computing » Software