Pants,Underpants North East colloquial.

People who do crack.

A computer expert who specialises in removing protection mechanisms from commercial software. These protections often limit (cripple) the software functionality or render the software unoperatable after a certain number of uses or when a expiry date is reached.
This activity is ilegal in many countries because it forces the software developers to increase the price of their products in order to recover lost revenue.
A cracker will usually have low level programming experience and a detailed technical understanding of commercial software protections.

a poor white person from southern United States who worked alongside slaves. Were said to have eaten crackers as their main diet because they were so poor.

Crazy. Nuts. Extremely foolish.

A person who hacks and guesses password without any prior knowlegde; A Person who is described as someone who hacks into systems and/or sites/data to only destroy wihtout any intrest in the system there breaking into; A white person refered to as a cracker by a racist normally a African American or a white person that acts black ("wigger")

Cracker means someone’s that is attractive beautiful or sexy
(Mainly used in Dublin,irleand