look up any word, like dirty sanchez:

1 definition by chris seymour

sideman (adj) a fat fuck who just plays online poker all day he also does not have any friends and no one likes him cuz she smells he also isnt well with the ladies
Rob SIDEMAN is the biggest fucking retard out there if he walked up a flight of stairs he would break his ankle
by chris seymour March 12, 2005