Top Definition
An exclamated expression used to comment on a women's breasts. (Ace meaning 'excellent,' racking meaning 'breasts'). Can also be used, oddly enough, for anything that is good. This expression developed in Oyster Bay.
'Dude, check out that ace rack on that girl!'
'Dude, this band is surprisingly ace rack.'
'My hat is like, totally ace rack.'
by Justin Scott October 09, 2003
1 more definition
An exclamated expression used to comment on women’s breasts. (Ace meaning 'excellent,' racking meaning 'breasts'). Can also be used, oddly enough, for anything that is good. This expression developed in Oyster Bay.
'Dude, check out that acerack on that girl!'

'Dude, this band is surprisingly acerack.'

'My hat is like, totally acerack.'
by shmack August 25, 2009

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