1 definition by TJ Allen (Tallen)

1.) A form of acid rain, usually caused by the over use of gat fuel and the brands of peroxide used to create bad bleach jobs

2.) Gangsta for "need a little"
1.) "Damn, it's like it's rainin' nelo out here ya'll!"
2.) "Blood squirt like it's rainin', nelo more than a rain coat, gaspin' for air"
by TJ Allen (Tallen) July 6, 2006
Get the Nelo mug.