Cush'n for Push'n - the abbreviated and rhyming form of the phrase 'Cushion for pushing', which refers to any 'cushioning' around the genital area of a female, including pubic hair and excess fat, which may provide 'cushioning' when having intercourse.
John: Dude, did you bang that fat chick you were with last night?
Bob: What? She wasn't fat, she just had a little cush'n for push'n, y'know?
1)The process of "hooking" your arm around a girls waist and then placing your hand on her back and "pushing" her upper body downward and proceeding to have sex.
1)The process of "hooking" your arm around a girls waist and then placing your hand on her back and "pushing" her upper body downward, then proceeding to ram her.