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1.
1.biscuits (colloq. australian slang)
yum,anzac biccies are delicious
by S@m November 11, 2004
 
2.
xtc pill raver slang
can u get us some biccies for Utopia
by raver baby January 11, 2005
 
3.
Adj. biccies
- When someone is a bit mental or schitz.

Verb. to go biccies
- When someone becomes really mad and takes a rager.

- "That guy is a bit biccies."
- "He went biccies after I said his girlfriend looked like a fucktard."
by The Scrabble Kings June 07, 2007