Spit flames out our mouth like our name was Bowser
Bowser is the main antagonist of the Mario series, whose signature attack was breathing fire.
In a literal sense, Mario and Luigi have an attack in the games where they can spit fireballs if they grab a certain powerup. Metaphorically, their lyrics are on fire, as opposed to the Wright Brothers' limp bars.
To help improve the meaning of these lyrics, visit "Mario Brothers vs Wright Brothers" by Nice Peter & EpicLLOYD (Ft. Link Neal & Rhett McLaughlin) Lyrics and leave a comment on the lyrics box