This is the 837th most frequent Lithuanian word.
feisbuko
The Lithuanian word "feisbuko" refers to "Facebook" in the genitive case, meaning "of Facebook."
Here, 'feisbuko' again is genitive, indicating the Facebook profile as the object to which the photo is uploaded.
Įkelk nuotrauką į savo feisbuko profilį.
Upload the photo to your Facebook profile.
In this sentence, 'feisbuko' is genitive, specifying that the group in question is associated with Facebook.
Mano įrašas sulaukė daug simpatijų feisbuko grupėje.
My post received many likes in the Facebook group.
The word 'feisbuko' is in the genitive case in Lithuanian, showing possession ('Facebook's account').