foo adverb how mostly North East Scotland, 16-.
foo daed? how are you? 20-. Compare hoo etymology: Scots; foo is a variation of Older Scots quhow ‘in’; in Older Scots it is not restricted to the North East; also occasionally found in Modern Scots outside this area; daed from Scots dae ‘do’; attested by BW
fu, foo, fou adjective
1 full la14-.
2 drunk, intoxicated 16-.
3 full of food, well-fed la15-. etymology: Scots, from English full; attested by BW and DW; form foo attested by ET