This is the 10249th most frequent German word.
pobacken
The German word "Pobacken" means "buttocks" or "cheeks of the buttocks" in English.
In this sentence, 'Pobacken' refers to the physical buttocks, paired with 'zusammenkneifen' (to clench) for expressing physical effort.
Ich musste meine Pobacken zusammenkneifen, um die Übung zu überstehen.
I had to clench my buttocks to endure the exercise.
Here, 'Pobacken' is directly addressing a recommendation in a relaxation context of yoga practice.
Lass die Pobacken locker während des Yoga, um dich zu entspannen.
Relax your buttocks during yoga to unwind.
Here, 'Pobacken' is used idiomatically, expressing a colloquial phrase possibly meaning taking action decisively in this context.