Subtaction 

When a seal attempts to fit your whole head in its mouth

Don't go diving without your subtaction helmet!

Subtaction by Sub-taction October 20, 2018

Staction 

Also, statutory action. The presence of alluring underage vixens, prevalent in the rave scene particularly. Instances can occur in any everyday location, such as the park or while scoping out the local high school.

Yo Marty, hella staction on your 3. How does that girl's parents let her outta the house like that?

Staction by d.bag July 7, 2010

Addition by subtraction 

When one person in the group leaves and the group as a whole becomes better

Kyle- "Finally Jimmy left"
Leo- "Jimmy was so ugly and drunk. Now all the ladies will come to us"
Steve- "Yeah, it's definitely addition by subtraction"

Addition by subtraction by Skeet Master Steve June 21, 2009

subtracting an F 

When you subtract an F,he goes from being your Best Friend Forever to being your BoyFriend.

BFF-F=BF

I've been thinking about subtracting an F with eddie for a long time, but I don't want to ruin our friendship.

subtracting an F by Coralynn June 4, 2007

Rule 3, subsection SK 

Scene kids are to wear band shirts at all times. No exceptions.

I call rule 3, subsection SK. Take off that Hollister sweater and put on this Lamb of God t-shirt.

Rule 3, subsection SK by MoshTehNiners October 9, 2010

subtraction gardening 

Letting all of the weeds grow in your backyard and then pulling out the ones that don't make pretty flowers.

neighbor: Hey your yard looks great, but aren't those the same weeds that are in every abandoned back lot here in Detroit?
me: yep. It's called subtraction gardening.

subtraction gardening by nageuse July 22, 2012

Subtraction Rule 

If you'd calculate for example 3 x 3 it would be 8 instead of 9 because of the fact that you subtract one from the original answer.

Smegma är efterbliven aka Subtraction Rule

Subtraction Rule by Inte Jesper April 6, 2022