(lump) noun
1. A shapeless mass of inert matter, especially a small mass.
2. A mass of things thrown together.
3. A protuberance.
4. A stupid person.
5. A heavy, ungainly person. See synonyms under MASS.
—in a (or the) lump All together; with no distinction.
—v.t.
1. To put together in one mass, group, etc.
2. To consider or treat collectively: to lump facts.
3. To make lumps in or on.
—v.i.
4. To become lumpy; raise in lumps.
5. To move or fall heavily. [<ME, prob. <Scand. Cf. Dan. lumpe a lump.]

(lump) v.t. Colloq.
To put up with; endure (something disagreeable): You may like it or lump it. [Origin uncertain]