When you try to kiss someone but you blink and miss
Timmy waited all night to kiss Bianca at the prom but when he finally went in for a smooch he bloinkissed and sprained his knee, costing him his tennis scholarship. Leading him down a dark road paved with self-loathing and addiction. Years later when his wife finally left him because she just couldn't take it anymore, he lacked his ability to chase after her because his knee had never fully healed from the bloinkiss.
origin of byinkbyonk began in liverpool in the 1980's. Although it sounds quite comical, it is actually quite an offensive term given to person considered to be of low inteligence.
first known usage of the word by a well known scally pill head whose nickname was Juan King