"Jego słoń jest duży."

Translation: His elephant is big.

[uq.]

( ͡° ͜ʖ ͡°)

[Paranoix]

In Polish slang "słoń" do not have "secret" meaning.
"Jego ptak jest duży" or "Ma dużego/wielkiego ptaka" suggest size of "penis".

[jabramsohn]

What is the original/literal meaning of ptak?

[Paranoix]

Bird.
http://www.wsjp.pl/index.php?id_hasla=20014&ind=0&w_szukaj=ptak

[Centorior]

So, "moj ptak jest duży"?

[sebvaillancourt]

I wrote buge because I thought of huge and big at the same time

[alik1989]

A neologistic portmanteau, I love it :)

[fred149559]

Ok, so jego is either genetive (on, ono) or accusative (on). Which case is it here and why ?

[Okcydent]

„Jego” is normal possessive pronoun and it does not decline. To be precise pronouns: jego, jej and ich do not decline at all, but others like mój, twój, swój do. So if the pronoun was different we would use nominative here.

[fred149559]

Ok thank you. It's clear now

[Turfur]

I thought "on" in accusative is also "jego" like in "widzisz jego?" Is this sentence incorrect?