look up any word, like tbt:
 
1.
Yinhao

Verb. (Noun)

note: when used as a noun "Y" is capitalised

when used as a verb "y" is lowercased

The art of asking someone a trivial question over the phone before quickly and suddenly hanging up, leaving the receiver confused and flustered as to the indiscernible nature of the caller's reason or intent.

Conversations (though they can hardly be considered as such) usually proceed in the following pattern.

"Where are you"

"Home"

"Did you eat dinner?"

"No."

"Okay, bye"

~Dial Tone~
E.g.

Having been yinhaoed the girl threw her phone down in a sudden display of flustered rage.
by キムチ奥様 May 15, 2014