Bag O' Dicks = Contains multiple meanings in certain contexts
A phrase demonstrating the "speaker" wants to issue more than just his penis for sucking to the receiver.
Worse than "Suck a Dick," "Bag o' Dicks" refers to sucking more than one.
This phrase can also refer to the way one looks in a negative fashion. He looks like a "Bag o' Dicks."
The sub-skill that one shows in sports: "He is playing like a Bag o' Dicks."
Bag o' Dicks can also stand in for key cuss-words such as bullshit
, god damn it
, and son of a bitch