This is the 11719th most frequent Russian word.
зависаешь
"Зависаешь" means "you are hanging/sticking around" or "you are spacing out."
In this case, 'зависаешь' illustrates being absorbed or preoccupied in deep thought regarding challenging matters.
Он обычно зависаешь, раздумывая о сложных вопросах.
He usually gets caught up contemplating complex questions.
In this sentence, 'зависаешь' means spending excessive time or being absorbed in social media activities.
Ты часто зависаешь в соцсетях.
You often hang out on social media.
Here, 'зависаешь' refers to being unable to progress or move forward in the game context.