only if

The term "dick inches" is usually used when over-estimating non-penis measurements. > fellow one: "Finally! There's a parking spot!" > fellow two: "No way, man...You can't park within 30 feet of a stop sign." > fellow one: "There's plenty of room." > fellow two: "Yeah, only if you're measuring in dick inches."

If your girlfriend asks to set your friend up with her ugly, whiny, loser friend of hers, you must grant permission, but only if you have ample time to warn your friend to prepare his excuse about joining the priesthood.\r \r

(logic) a proposition that is true if and only if another proposition is false

a statement that is a refusal or denial of some other statement n the speech act of negating n (logic) a proposition that is true if and only if another proposition is false

Examples: vacant stares, looking at your watch, checking your phone, answering in short one word phrases. > Girl 1 :So then I realized my cat really likes Meow Mix more than Frisky's but only if I mix it with Fancy Feast. > Girl 2: (Stares blankly) > Girl 1: Unless of course it's Chicken Livers from 9 Lives, Snowball loves that