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The first person you have romantic feelings for. Usually the boy/girl-next-door, that popular douche, your elder sibling's really hot friend and in some cases, your Chemistry teacher.
Boy: Hey, why are you hiding from Mr Magnesium Oxide?
Girl: SHHHHH OMg, he is my first crush!

(See that OMg there *wink**wink* Gah, I know it's MgO)
by Samantha Felicia Rose April 05, 2015
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Apr 16 Word of the Day
"allow it" means to just leave something alone, or don't worry about it. People in West London say this quite often.
Ahmed: Wanna walk to the station?
Joseph: Nah, allow it blud, can't be arsed, I'mma get the bus.
by ak47 February 27, 2004
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