"Bars on mars" is a common rhyme used by kids who think they can rap, mostly found on roblox rap battles.
GangstaBacon094823: I got bars from mars

Everyone Else: Shut the fuck up kid
by MrLoomis June 24, 2021
Get the Bars from mars mug.
I got bars from mars 373727373737272 cars and you have um ars
by curly kale May 6, 2022
Get the bars from Mars mug.