look up any word, like fleek:
 
1.
Living at the same time
My mother and grandmother only contemporaneous a few short years together
by Disteny April 09, 2003
 
2.
To show disrespect or contempt for; spoken usually by rednecks with their GED's.
The judge sed I wuz contemporaneous at my bond hearing and dint gimme no bail.
by harry flashman July 12, 2003