bag on the side: n. [prob. originally related to a colostomy
bag] An extension to an established hack that is supposed to add
some functionality to the original. Usually derogatory, implying
that the original was being overextended and should have been thrown
away, and the new product is ugly, inelegant, or bloated. Also v.
phrase, `to hang a bag on the side [of]'. "C++? That's just a bag
on the side of C ...." "They want me to hang a bag on the side of
the accounting system."