It's an adjective for something that's bad. It could be easily subbed in a sentence for bad or shit, but it's a much cooler way of saying it.
Andy: " Yo Josh, how did your exams go?
Josh: " They went really bad, not gonna lie"
Andy: " Shit bro, that's pretty penis in the sack"
Nic: "weather is a bit penis in the sack today"
Josh: " They went really bad, not gonna lie"
Andy: " Shit bro, that's pretty penis in the sack"
Nic: "weather is a bit penis in the sack today"
by penile_eshay August 11, 2022
Person1: "Hey Greg, wanna go watch a mov...."
Person2: "Don't speak to me mortal I have become penis ball sack
Person2: "Don't speak to me mortal I have become penis ball sack
by Shovel_n_spade_wade November 05, 2019
Scott has a penis-sack.
by Leagerlog May 05, 2009
by Teamrubert July 12, 2008