What's YGM mean?

[nickdakick]

Youngsters
Gone
Mad

 

[reitz]

UG,

From http://www.dictionary.com:
get
v. got, got·ten or got, get·ting, gets.
v. tr.

16. To have current possession of. Used in the present perfect form with the meaning of the present: We've got plenty of cash.

In that usage, have got is correct.

 

[nickdakick]

Youngsters
Gone
Mating ?
I have no idea.

 

[nickdakick]

You're a
Great
Mess

 

[apoppin]

YGM, AFAIK in some (ethnic) 'net circles it is an insult -
Yo (Grand) Mama!