Words That Rhyme With "Flashgun" :
2 syllables:
achkan, ashen, Ashton, Bascom, cashen, dagen, dragon, fagen, fashion, gagen, gascon, paschen, passion, ragen, ration, sagen, waggon, wagon
3 syllables:
Circassian, compassion, dispassion, impassion, Nebraskan, pendragon, Wakashan