Derived from the phrase "ya shit the bed, and fucked up."
Shlunk - verb (to shlunk) to make a mistake in one of the worst ways possible. Accidentally arriving at the worst possible outcome due to sheer ineptitude in all choices made in a given situation.
Shlunked - verb (past tense) most common usage
Shlunk - noun - an individual who displays constant ineptitude in every situation, seeming to always arrive at an awful outcome. They are normally spiteful and blame others or society for their poor choices. They are difficult and often impossible to reason with.
"You gotta bail me out man, how was I supposed to know I couldn't outrun the cop car?!"
"No way bro, ya Shlunked"
"C'mon man, you gotta get me out, I promise I'll pay you back bro!"
"I know you won't pay me back, you're a shlunk!"