Somebody that is a idiot , stupid , daft etc
Shut up you waaaart! That lad is a complete waaaart! This place is full of waaaarts!
Someone annoying , idiot , silly , a daft person - annoying person
"what a waaaart! ". " this place is full of waaaarts! ". " Shut up you waaaart!" "that guys a right waaaart!".