2. An insult meaning someone stinks, they are a complete douche, or just some word said to relieve the verbal speaker of stress.
3. Children/Slang = Poop coming from an organism or a filthy person.
Person 2 : Lemme see, hey wait a minute, thats you dropped a squigly turd!
2. Rigby : Is more boring than your face?
Mordecai : I don't know, is it more boring than my fist in your face?
Rigyby : Is it more boring than my fist in your face! You turd!
Mordecai : Your a turd!
Rigby : No, your a turd!
Mordecai : Your the turd!
Both : *Struggle and fight*
Pops : Mordecai, Rigby, stop! We can aalll be turds.
3. Kindergarter : Ewww that cow made a turd.