A multi-generational turn of phrase; commonly used to describe an object, person, place, or situation that is markedly better than being described solely as "dope."
"Dope" has been used in slang for many decades and has become one of the most popular parts of modern day dialects for many regions across all age groups. Therefore, the exclamatory "dope on a rope" continues to embolden all who embrace the phrase by providing a truly specific and unique descriptor for the most exciting, thrilling, and delightful of humanity's most historic moments.
See also:
Too dope to cope
Hope to cope with dopeness of taupe rope
Example 1
Person A: Yo, I got some free banana bread at work today dude
Person B: Dude, that's dope on a rope!
Example 2
Person A: Hey, check out this setup I created for drying cannabis, the strings are made from hemp fibers
Person B: holy shit that's dope on a rope!!!!!
Example 3:
Person A: I just made this super sick-ass bitchin' sweet tiedye shirt, how does it look on me?
Person B: YOU KNOW DAMN WELL WHAT I'M BOUT TO SAY BRO
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"