Adjective or Noun
A person or thing that is very inconvenient and has the potential or ruining your life. Sometimes defined as something that 'offers strangely little aid'. Often used sarcastically with the word convenient.
That kid always sits at the desk I made, preventing me from accomplishing my life goals at that desk; my am i cursed with this derrk kid.
I hate that kid, he's such a derrk.