Freebase(0.00 / 0 votes)Rate this definition: Burlesque is a literary, dramatic or musical work intended to cause laughter by caricaturing the manner or spirit of serious works, or by ludicrous treatment of their subjects.
HFBoards has an incredibly toxic community, but it also has some pretty great parts as well (there's some very in-depth discussion on occasion, as well as some humorous threads). Still, the community (and awful moderators) makes me not want to stick around for the great bits.
Hydrofluoric acid (HF) is a solution of hydrogen fluoride in water. Its chemical formula is HF. It is a weak acid, but very corrosive and extremely toxic. It can dissolve glass to make hexafluorosilicic acid.