Half-brick

A more portable and dimensionally-pleasing-to-the-eye variety of the common building brick. Useful for caving in a wanker's skull, lobbing at shop windows and/or riot control forces, throwing off the side of overpasses into oncoming traffic, or, occasionally, for use in building-related endeavours.

'Ere, wot a tosser! 'Eave a 'alf-brick at 'im will ya?'

Half-bricks proved popular missiles for combatant pilots in their aircraft during the opening stages of the first world war, before the synchronization gear enabling bullets to be fired through a plane's propellers had been invented and widely fitted out in aircraft by the two sides

Half-brick by Charlemagne1993 June 16, 2017

A Brick ‘n’ half that 

A Brick ‘n’ half Is when you go for a shit an say that’s A Brick ‘n’ half that.

“That was A Brick ‘n’ half that one.

A Brick ‘n’ half that by Booland March 18, 2019

brick and a half 

when someone is not just taking a brick, but a brick and a half to complete a task; and extreme length of time; a group of 5 v c00l people who slay

00f tori! you are taking a brick and a half!!
or
gang gang brick and a half in the house!!

brick and a half by buttbutt22 January 25, 2018