by Prime sack December 27, 2017

An insult for a girl who gets bounced around and played by a group of friends until boredom sets in.
Bro #1: Who you tryna smash tonight bro?
Bro #2: I was thinking Kelsie, but she kinda a hackysack.
Bro #1: Yeah, but you're the only one of the bros who hasn't pumped her.
"We gotta look for a hacky sack to bring back to the hotel while we're on Spring Break"
Bro #2: I was thinking Kelsie, but she kinda a hackysack.
Bro #1: Yeah, but you're the only one of the bros who hasn't pumped her.
"We gotta look for a hacky sack to bring back to the hotel while we're on Spring Break"
by Barry McCawkener April 10, 2017

someone, generally a young man, who is very involved with the handling of testes and especially the sack of said testes
Tommy says, "Eric said some really shitty stuff today."
Billy says, "Don't worry, that Eric guy is a sack tackler."
Billy says, "Don't worry, that Eric guy is a sack tackler."
by Adolf Hitler IV September 22, 2010

The interior of a living cell is made out of protoplasm, therefore humans or any animal for that matter is essentially a sack of protoplasm. This expression can be used to describe people in a demeaning manner.
Mrs Malasavage: "Hey! Elliot, did you finish your math homework for class?"
Elliot: "No, I'm sorry Mrs"
Mrs Malasavage: "Ugg... You lazy sack of protoplasm..."
Elliot: "No, I'm sorry Mrs"
Mrs Malasavage: "Ugg... You lazy sack of protoplasm..."
by cheflord December 28, 2013

by Joseph Manzella September 2, 2016
