A pun on “weapon of mass destruction” is “weapon of math disruption,” as in a popular joke:

*“A rubber band pistol was confiscated from algebra class because it was a weapon of math disruption.”*

The joke has been cited in print since at least August 2008.

Google Groups: Deaf-Blind Inspirational Life Group

Fw: Punster alert…

*Cynthia Groopman *

8/23/08

(...)

4. A rubber band pistol was confiscated from algebra class because it was a weapon of math disruption.

Twitter

francine hardaway

@hardaway

A friend sent me a joke:A rubber band pistol was confiscated from algebra class because

it was a weapon of math disruption.

6:05 PM - 13 Sep 2008

Google Groups: rhodes22

[Rhodes22-list] Warning: Bad Puns

*pdg...@nospam.wmis.net *

9/25/08

(...)

4. A rubber band pistol was confiscated from algebra class because it was a weapon of math disruption.

Google Books

November 2009, *Boys’ Life*, “Think & Grin,” pg. 59, col. 1:

Jamie: My algebra teacher confiscated my rubber-band gun today.

Stewart: Why’d she do that?

Jamie: She said it was a “weapon of math disruption.”

*Jamie Stewart, Kennewick, Wash. *

Google Books

*Double Dealing III:
The Pun*

By Chuck Closson

Xlibris Corporation (Xlibris.com)

2013

Pg. 145:

In school a rubber band can be a weapon of Math disruption.

Google Books

*Of Wit N Humour*

By Vincent Thnay

Lulu Press, Inc, (Lulu.com)

2015

Pg. ?:

A rubber band pistol was confiscated from algebra class, because it was a weapon of math disruption.—

*Unknown*

Google Books

*Best Ever Classroom Jokes:*

Because some of us never grow up

Because some of us never grow up

By Mike Haskins

New York, NY: Pavilion Books

2015

Pg. ?:

Did you hear about the maths teacher who confiscated a rubber-band gun from one of the pupils in his class?

*He said it was a weapon of math disruption.*

Steve

@sinnfinden

did you hear about the guy that got his rubber band gun confiscated in geometry?

it was a weapon of math disruption

10:37 AM - 24 Mar 2016