The facial contours and structure of a woman's face; in reference to better sucking power for blowjobs.
"Look at the gape on that number's face" - Person 1
"Yeah, looks like supreme suckage" - Person 2
The suction power behind a woman's mouth and throat when giving head.
"My girlfriend had some supreme suckage last night when she was topping me off"
When you see a female and ask your friends if she is hot or not. This is the appropriate response undeniably every single time, if you think she is hot.
"Yo, is Brienne of Tarth from Game of Thrones hot?" - Person 1
"Would + Ratio" - Person 2
"Dude what the fuck, you heinous bastard" - Person 1