The characteristic of the youtube app that disables any form of simultaneous function other than the youtube app itself, on a smart phone. This also applies to locking your phone and youtube discontinuing playing.

This is similar to when someone demands your sole attention, and will not allow to multitask without getting fussy.
This word should be used when you are trying to do two things at once and your boyfriend or girlfriend says "damnit you never listen to me can you put your phone away?"
Reply: "You're being so youtube selfish right now!"
by EZLN¡yaBasta! May 25, 2015
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