Means, "right in line with your tastes and/or abilities."

Sometimes "down your alley." Means the same thing.

No connection with "up your (anything else)."
If you're a numbers person, very precise, very logical, then cost accounting is right up your allwy.
by Chuck Hastings July 12, 2003
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1) something you are proficient at and capable of doing
2) a social class that you don't belong to but whose members you associate with anyways, probably f-sag
in terms of both definitions 1 and 2, if you are in jail for issues of domestic violence and misogynistic assault, who says says something more serious, like rape and murder, can't be right up your alley as well?
by Sexydimma December 31, 2015
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1) something you are proficient at and capable of doing
2) a social class that you don't belong to but whose members you associate with anyways, probably f-sag
in terms of both definitions 1 and 2, if you are in jail for issues of domestic violence and misogynistic assault, who says says something more serious, like rape and murder, can't be right up your alley as well?
by Sexydimma December 28, 2015
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A slang term referring to shoving something up a persons rectum
by midasdolphin March 24, 2023
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the sort of thing you like
That new film looks as though it'll be up your alley. You're going to love this new club: it's right up your alley!
by Alebizz October 23, 2023
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