Lump

Lump is a song on Just Dance.

Appearance of routine
The avatar is dancing in the kitchen. Red bubbles fly around. The avatar is in blue pajamas, dog slippers, and has orange curly hair. Look closely and he wears round glasses.

Shake moves
He plays air guitar. Done during "She's in my head" and "She might be dead."

Trivia

 * The avatar looks like a girl, but he's a boy.
 * This routine has 6 shake moves, more than any other routine in the game.