It is a way to share your feelings with your loved one, to let them know that you love them as well and have a loving and meaningful connection with one another.
Ooshy woo is ca be used in many ways (mostly used as an expression of victory) but also as a battle cry or replacement for 'yolo' in a way that can be used when somebody is doing something without planning. Ooshy woo can also e used as a greeting.
A "textbook" lead guitar solo, usually denoted by repetitive, meaningless licks, played ad infinitum by less-than-stellar guitarists.
The first reference noted was by The Pretenders' original guitarist Jimmy Honeyman-Scott in Guitar Player magazine. He was describing the whole mess of lack-luster, over-charged, under-imagined, non-melodic guitar solos, and the players who practice that mind-numbing craft.
"I got really tired of the ol' Widdly-Woo solos played by the funny-hat blues cats down at the local Jam Night"