Lumperts 

Something made junky, cheaply assembled, prone to break easily, unreliable.

Son, ya’ll Wal-Mart bike be all lumperts! Handle bars be fallin’ off. Seat broke. Tires flat!!

Lumperts by Koolmann46 May 8, 2019

Lumpersticker 

A word/bumper sticker which causes instantaneous laughter.

A tie dye nun appeared on my lumpersticker.

Lumpersticker by Rabbit Angstrom April 15, 2009

Lumpers 

A person who "lumps" you into their email distribution lists when sending jokes and other viral email messages. In most cases you barely know the person who sends you the email or they are just a friend of a friend of a friend.

Lumpers are poeple who "lump" you into their distribution list when sending jokes and other viral email.

Lumpers by Susana Avila (MK) February 6, 2009