Abstract: A short drain line extender assembly is provided for use with waste holding tanks on recreational vehicles or the like in conjunction with a removable waste discharge conduit. The extender assembly includes first rigid short, rigid fluid conduit member communicating with a holding tank of a recreational vehicle. A second rigid short, rigid fluid conduit member is telescopically mounted to the first short, rigid fluid conduit member. The second conduit member includes a first movable end secured to the first conduit member and a second distal end adapted for telescoping movement outwardly from the first conduit member. Fluid sealing members are disposed between the first and second short, rigid fluid conduit members.