effectivity 

An idiotic modern word that has crept out of technical use in game theory to compete in pseudo-intellectual discourse with the real English word satisfying the same part of speech (effectiveness), which should be used instead in almost every case. Not to be confused with efficacy, which actually has a different meaning.

The effectivity of the word "effectivity" is nonexistent.

effectivity by phlux October 3, 2003

Seasonal Affective Douchebag 

Those who suffer from Seasonal Affective Disorder and become nasty in December for that and the usual reasons.

I think Dad should spend December in another country, he's become too much of a Seasonal Affective Douchebag.

Seasonal Affective Douchebag by funkspiel December 4, 2009

S.A.D (seasonal affectiveness disorder) 

when a certain seasonal has dragged on too long and you become sluggish and you lose motivation to do anything.

man, winter is WAY too long. i don't feel like doing anything...even masturbating. it's quite sad that i have S.A.D.

S.A.D (seasonal affectiveness disorder) by onlyonetime March 4, 2004

erective 

Anything giving an erection

Those lady's jugs were sooo erective!!!!

erective by Lex Dahlstrom January 13, 2008

Canine Affective Disorder

The condition of allowing a dog to control your emotions.

Why is he always either lovingly kissing his dog or angrily screaming at it , he has Canine affective disorder.

Canine Affective Disorder by lazylinguist August 9, 2012

Effecting 

tweaking it to make it look 20 times more visually attractive than it was before

Ricky: dude this pictures so dull
Wolfgang: bro you should do some effecting and spruce it up

Effecting by chocolatelover143 November 1, 2011

etective

Like a detective, but slightly less stealth and sneaky. Is a detectives slightly less cool cousin

Person 1 -"I'm probably gonna get caught doing my detective work"
Person 2- " oh, so your pretending to be an etective?"

etective by spplr girl March 26, 2010