look up any word, like doxx:
 
1.
If boobs had teeth these would be on top of the food chain with their immense size.
That girl I met last night was a rackasaurus.
by ff431 October 01, 2006
 
2.
huge breasts
She was beyond a double D cup size, she was a rackasaurus, said Spank Dangler from The Larrys.
by Spanky D November 15, 2010