"i guess" is a phrase that can be used in response to almost any situation or comment. its versatility is clearly its strongest asset. popular uses include expressing disdain for something or someone, expressing uncertainty or confusion, expressing the irony and absurdity of a situation, expressing sarcasm, or expressing apathy towards something or someone.
Expressing:

-disdain for something or someone:
Jenny: Actually, you're not invited. Sorry, but, really, I don't want to have any losers like you at my party.
Jim (as she walks away): I guess...

-uncertainty or confusion
Barista: Double special ultra low fat soy grande latte or triple super peppermint vente no milk frap with whipped cream?
Joe: I guess...

-irony or absurdity or a situation
Jane (upon seeing her ex boyfriend with HIS new boyfriend): I guess...

-sarcasm
Jamie: She's cool, I guess...

-apathy towards something or someone
Jack: So, are you pro-life or pro-choice? Because I really feel that when you analyze both sides of the issue...
John: I guess.
by jsw454 June 26, 2005
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The universally socially awkward word that ruins every single sentence you add it to.
Can be alternatively written as "I'm a f**king f*ggot"
Guy: Hey Jimmy! What's up?
Jimmy the autist: I'm pretty good, I guess.
by GaIiIeo January 5, 2015
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Saying yes to something that you shouldn't even have to waste your time or effort into saying "yes" to.

I guess really means, "yes"

I guess is an answer to a question that a person should already know the answer to before asking the question.
Jane: Do you race your car?
Mike: I guess..

Jane: Did you go to the store?
Mike: (true meaning) What do you think you stupid idiot? (Give me secks!)
by Jason December 22, 2004
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An expression used by an individual who has been asked a question but does not know the answer.
Dude: Hey dudette, what happened in chemistry class?

Dudette:umm, Bitch I guess!
by PokarFace June 16, 2010
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it meant by possibility or probability.

usage : said instead of saying yes
by jibo7399 August 1, 2011
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what people say when they are at a moderate level of discontentedness and wish for someone to ask them what is wrong.
guy: hey
attention whore: hi.
guy: how are you?
attention whore: alright i guess.
guy:zomgwhiteknight!!!1!
by abraxxillion421 April 26, 2010
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What extremely indecisive people say to answer every single question in order to avoid giving a straight forward answer. It is often sais for no damn reason to respond to a statement which would normally not even require a response.
Edgar: That'd be cool Arjun: Uhhh I guess.... Me : Goddamn it... *procedes to pimp slap that idiot* OR Jenny: Are we gonna go tomorrow? Arjun: Uhhh I guess.... Jenny: What the do you mean I guess?!! It's a yes or no question damn it !!
by Xero _ Manifest November 6, 2010
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