If And Only If

What is If And Only If?

A term used by mathematicians and logicians to indicate that something happens under very specific conditions. Often seen in proofs and theories.

1) The sum a geometric sequence is given by a/(1-r) if and only if |r| < 1.

2) In a bar:

dumped guy: "My girlfriend left me because I told her I loved her!"

other guy: "What a bitch!"

dumped guy: "No, it's all my fault, she's a mathematician, and I should have said 'I love you and only you'".

Iron Grip

1. When one masturbates with pliers or another sort of metal device. I went over to the workshop last night and gave myself the iron grip...

Tupac'd

1. The act of being shot up. 1: You know Jerome from Brooklyn? 2: Yea, what about him? 3: That boy got Tupac'd! 4: Damn, guess he ..

W.u.i.m.d.

1. Woke Up Inside My Dad The Unfortunate act of becoming sickeninly drunk, and waking up inside your dad. "dude, i got retarded off ..

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If And Only If Edit Meaning