Singed flips Yasuo, Yasuo uses said flip to Ult Singed

um wtf?

Yasuo is full of glitches especially with his ult, and they are very reluctant to fix them if they debuff him in anyway. Think of how long it took them to remove the free auto attack he could get while ulting.

sure you saw it correctly?

Yup. Tends to happen next to walls.

Its cause hes goku and flew to you

It´s strange that Singed would be considered airborne during his own flip.