in astrophysics : two astral bodies with correlative orbits spontaneously diverging, spinning outward in opposite directions; related to : the heteroclinic (hetero : from the greek, meaning dual, opposite, different, multiplicity and clinic from the greek 'kleinen' : to lean, to slope)
An outburst matching the intensity and physical characteristics of a celebration, but instead of joy it is fueled by sadness. Men often use sadebration or v. sadebrating under false pretenses as an excuse for any innapropriat/involuntary fits of joy that anger their wife/girlfriend.
Ex. "Honey, I swear me and my homeboys were just sadebrating ur failed pregnancy test with sadebratory chest bumps, looks like it's prolly gunna be one of those all night sadebration's.
n: the act of skateboarding down a road with one's genitals hanging out, and stroking, pulling, yanking, lubing up, etc said preferably erect penis in the process.
v: to masterbate furiously while skateboarding(usually done as a prank, but theres the occasional wierdo who does it because it gets him off.)