full as a tick

— Then we drank up all the beer, and threw the bottles into the water and fired at them. . . . "Stop ut!" shouted Mulvaney. "Whin you've fired into nothin' as often as me, over a better man than yoursilf, you will not make a mock av thim orders. 'Tis worse than whistlin' the Dead March in barricks. An' you full as a tick, an' the sun cool, an' all an' all!"