The act of grouping people you hate together as if they were all the same person; usually giving them all the same disparaging handle or slur.
"How is it that all you conservatives are racist nazis?"
"How is it all you progressives are communist pedophiles?"
"Would you both just stop Lump-Summing eachother?"
"How is it all you progressives are communist pedophiles?"
"Would you both just stop Lump-Summing eachother?"
by Muttemor September 3, 2022
Get the Lump-Summingmug. This phrase means "pop something", referring to the recreational use of pills. It's a shorter way to say Popping pills.
by derekkkk g February 8, 2018
Get the pop summug. by Lexx Diamond November 26, 2018
Get the Git Summug. Saying “sum like that” is like saying yes, but you don’t have explain after”. “Sum like that” gives approval and is a conversation ender.
by IAintMinuteMaid November 15, 2022
Get the sum like thatmug. sum 41 - a band that dosnt care what anyone thinks about what they like to write about or how they play their music. A band who isnt afraid to change their music! a truly outstanding band who kicks major ass!
by shannon August 16, 2004
Get the sum 41mug. 
Person 1: "Hey look at that Sim-sum over there!"
Person 2: "Wow she really has confidence without a man!"
Person 2: "Wow she really has confidence without a man!"
by chinaforlife2233 November 28, 2012
Get the Sim-summug.