This is the 7556th most frequent Turkish word.
hamburger
A food item consisting of a cooked ground meat patty, usually beef, served in a bun with various toppings.
In this sentence, 'hamburger' is used as a direct noun referring to the food item.
Bu akşam hamburger yemeye gidelim.
This evening, let's go eat hamburgers.
Here, 'hamburgerimizi' uses 'hamburger' as a root with a possessive case suffix, indicating the hamburgers we own or prepared.
Evde kendi hamburgerimizi hazırladık.
We prepared our own hamburgers at home.
In this example, 'hamburger' is part of a verbal construct 'hamburger yapmanın,' meaning 'making hamburgers,' showing its use in noun-forming infinitive construction.