This is the 18099th most frequent Russian word.
хитрюгу
"Хитрюгу" refers to a sly or cunning person.
The word 'хитрюга' is used here playfully to refer to someone's cleverness or resourcefulness in successfully carrying out an action.
Смотри, какой он хитрюга — смог всё организовать так быстро!
Look at him being such a clever fellow — he managed to organize everything so quickly!
In this sentence, 'хитрюга' emphasizes the person's ingenuity and ability to find solutions.
Я знал, что ты хитрюга и придумаешь, как справиться с этой задачей.
I knew you were a sly one and would figure out how to handle this task.
Here, 'хитрюга' describes the cat's sly and clever nature in achieving her goals.