When someone very rarely interacts with you on social media, but when they do it's to say something bitchy or mildly unkind.
Brodie likes to pretend we're friends, but he only ever drops by to fart in the hallway.
by deepmaroon September 23, 2020
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Universal hallway constant

Generally denoted by K, the universal constant is used in calculating the proper density and distribution of smoke detectors in a house hallway. While the constant can not be mathematically derived, it's value has been estimated at 150, and has units of square feet/kitchen*staircase.
Dude, to be able to tell you how many smoke detectors you'll need, I need to know the proper universal hallway constant.
by Fire Safety October 21, 2010
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high school hallway

dude the high school hallway was packed last night!
by Chuck Norris1991 December 15, 2016
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A female who has had sex so much that she has become extremely loose.
by Derrick Nisenbaum February 10, 2006
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Hot dog down a hallway

In this fun phrase the hot dog represents a penis and the hallway represents the enormous vagina. Usually due to the fact that the woman has had many many sexual partners which has stretched the vagina walls to the size of a "hallway".
by King Log Calidro August 05, 2006
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having sex with a very "loose" girl
yo that chicks been fucked so many times its like throwing a hotdog down a hall way
by TJ January 01, 2005
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