Occurs when you accidentally ejaculate into your own eye while wanking in a hunched over position reminiscent of Quasimodo.
Man I gave myself a right quaseye last night curled over the coffee table.
Originated when asked how good Kev was in bed last night. Now a common phrase associated with someone called Kevin who brings joy and humor to all.
Ahhhhh man Kev the sack is a total legend!!!