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1.
IHV
IHV: Inside Head Voice.

You're stressed. You're on the edge. You need to retreat to the sanctuary of your own thoughts, but you can't because your colleagues, peers or co-workers are not using their IHV.
Sarah: MY LIFE IS FULL OF COMPLEX EMOTIONAL PROBLEMS THAT I NEED TO VOICE AT EXTRAORDINARY VOLUMES!

Jonny: Sarah, I am trying to not fail my degree. Please use your IHV.
by funs1zed April 29, 2010
 
2.
IHV
n. Acronym for "Independent Hardware Vendor".
(Compare to OEM)
Early benchmarks of netbooks running the Windows 7 RC show that IHVs have a lot of work to do writing new drivers for the computer's various components.
by tallorb September 30, 2009