# 1+1=3

One plus One can equal Three without protection.
Who says math doesn't apply to real life?
by The Ugly One February 28, 2004
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## 1+1=3

Reproduction joke. The "1+1" refers to two people having sex; the extra 1 represents a potential baby, making a total of 3 people.
"I'm gonna get laid tonight!"
"Whatever man, just remember sometimes 1+1=3."
by progamer124 January 4, 2005
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## 1+1=3

Pregnant.

Like one guy and one girl=one guy and one girl and one baby.
So, what happened last night?

Well: 1+1=3.
by youmeatsixfanatic February 3, 2011
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## 2+1+1=3

A disorder of the mind that comes from drinking Pepsi in the wee hours of the morn, which normally results in:
Laughing repeatedly for 15 minutes straight
Making strange sound effects
Licking phones and frog Beanie Babies when Orlando Bloom is sighted on the TV Guide Channel.
Lennon and I had a 2+1+1=3 this morning that lasted for an hour or more.
by Nicole McGalliard July 8, 2004
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## 2+1+1=3

A demented way of interacting, insanity, sleep deprived, usually witnessed while coming home from Forensics tournaments. Must have two people in order to accomplish this state, and they will usually be of opposite genders.
I saw Eileen and Brandon having 2+1+1=3 today.
by Josh Wallen December 20, 2003
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## 1 + 2 + 3 = 1 × 2 × 3

The nontrivial solution to the equation a + b + c = a × b × c, where a, b, and c are positive integers—the sum and the product of three whole numbers are the same.
Besides 1 + 2 + 3 = 1 × 2 × 3, the numbers 1, 2, and 3 form the set of three integers such that each divides the sum of the other two, and their reciprocals show that the number 1 can be expressed as the sum of three unit fractions: 1 = 1/2 + 1/3 + 1/6.
by Fasters May 11, 2022
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## 1-4-3

Cryptic way of saying: I love you.
Used by Mr. Fred Rogers on his children's variety show.
Hey hunny, 1-4-3.
by Logan Botzman December 1, 2003
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