Other details: Antonym of majorly.
Man 1: Well that was minorly disturbing.
Man 2. Definitely, I'll never go to a Lady Gaga concert again!
Slang: A very old man
Similar to the term "Hag", which mean an extremely old and generally unattractive woman.
Woman: Whoa, did you see that 90-year-old hitting on that girl, she's like... young enough to be his great-granddaughter.
Man: Yeah, Heffy is quite a creep of a haggis.