You say it like this "Eres un mojón".
caca
Gordo means fat in Spanish as an adjective.If you are talking about fat as a noun, than it would be grasa.
Gordo
No gordo
turd
Comes from the greek word of origin "Fat Turd"
su grasa
no if your fat go do exercise turd
cordo fue
dedo gordo
estas gordo [thats a really mean thing to say] lol
You're not fat = Tu no eres gordo/a (male/female)