Especially during this time period, it would likely mean multiple things before genitalia.
“Dick” was a pretty common word for a detective, as in “hiring a private dick.” These comics are probably chock full of humorous uses of “dick.”
For this one specifically, the first place tineye sees it on the internet is on a “forgotten cool” tumblr in 2015, which also doesn’t cite where it came from.
I feel like the lighting on the pizza rolls is a bit off myself, but maybe it’s me.
There’s also a weird brown blur toward the bottom of the container.