Short for "If I laugh," shorter still for "If I laugh, I must share." Used for when sharing a meme and the only excuse for sharing it is because you found it funny. Also to excuse the politics or opinion of the original post. For example, a cartoon might trash your favorite film franchise, but it did it in a funny enough way that you forgive the slight and share it anyway.
I admit, I don't knowenough about quantum physics to know if this is true, but IIL.
When you perform a skateboard trick that's ill but the impressiveness of the trick makes you speak with a higher inflection, placing emphasis on the i, draggon it out.
GUCCI GANG GUCCI GANG GUCCI GANGGUCCI GANG GUCCI GANG GUCCI GANGGUCCI GANG GUCCI GANG GUCCI GANGGUCCI GANG GUCCI GANG GUCCI GANGGUCCI GANG GUCCI GANG GUCCI GANG
A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.
B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.
B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*