A person of dubious musical ability often heard interpreting contemporary songs by means of whistling, using a trill, or swiftly alternating up and down notes like a bird's song.
Trillers often use their powers for mischief, distracting peace-loving folk from legitimate business with their ridiculous outpourings.
Aah, I nearly sank the black until that triller started with the stupid whistling...!
A female who claims sexual neglect from her husband in order to manipulate sexual gratification from another male.
I really liked this gal, until it became apparent she was a triller.