(Comp Sci.)
1024 Kilobytes, written mB used to refer to size of files or media such as hard drives. Refers to amount of information in a file, or how much information can be contained on a Hard Drive or Disk. Also 1,048,576 bytes.
Maggybyte is a word found in many jokes and/or punchlines. Maggybyte plays on the word megabyte and is used to indicate one's obsession toward a certain person.
"Hey BB, how many maggybytes did you say your iPod can hold?" (Stated after being accused of obsession towards someone.)
"I think that girl that has been eyeing you has a jump drive full of maggybytes."
Where a guy is addicted to masturbating, at the point where he would rather masturbate then have sex with a chick. May or may not be addicted to porno.
Cole: Themis is such a megabater.
Ana: My ugly freind would'vefucked him, but he said his hand was good enough.