A small mass of matter of irregular shape; an irregular or shapeless mass; as, a lump of coal; a lump of iron ore. Often described as looking similarly to a bump.
"There is a lump of earwax in my eye."
by blii February 22, 2003
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1. A great song by The Presidents of the United States of America.
2. Someone who does nothing but sit around.
Lump is a great song.
by JOHNSON October 21, 2003
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To lie on/under/entangled with your other half, usu.in bed, in a non sexual and entirely lazy way (although lumping can of course lead to sexual activity; however, it is usually engaged in after sex or when the couple are extremely tired/hungover/on a comedown.)

Lumping can be done by oneself on objects other than a person for example cushions/floor, but research has shown it is most comfortable when done on another person.
I'd rather be at home lumping on you.
by Ms N August 3, 2009
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To laze about. Being inactive and unmotivated.
"All my wife ever does on her days off is lump on the couch watching tv or playing PS2"
by Roxanne July 30, 2003
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one of the dumbest dances ever invented by DeAndre Atkinson and Robert Rios. The dance is simple, whils the musics playing all you do is, rapidly punch and kick the air whils jumping around. thats all
Damm, the dance Lumping is the bombb.
by Brodiee D May 28, 2010
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Someone who tries to make fun of another but ends up offending every single person in this world using baseless accusations.
"That guy tried to make fun of me but ended up being a lump.
by Noobyrex February 27, 2014
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