A term coined by AmericanPsychologist Albert Ellis explaining that if you look at the things that anger, upset or frustrate you, 99 % of the time, you have a MUST, OUGHT or SHOULD in your thoughts.
Parents:
You really shouldn’t buy that much alcohol...
Their kid:
Well y’all really shouldn’t be doing a lot of things, but you don’t see me getting into your goddamn businesses.
Both the parents and the kid had a SHOULD/SHOULDN’T in their thoughts leaving them musturbating.
when one slathers hot mustard on their private parts and uses it as a lubricant to help make masturbation more pleasurable. Usually done in desperation when no other lubricants are readily available.
After having a romantic McDonald's dinner in their car. Teens Jack and Jill experimented mustarbating eachother with the McDonald's mustard packs.