Green’s Dictionary of Slang

diarrhoea; thus a general term of abuse; occas. in pl., the scoots.

1890		‘’Arry on the Sincerest Form of Flattery’ in Punch 20 Sept. 144/2: Sech scoots scurryfunging around on the gay old galoot to go snacks / In the profits of other folks’ notions.
1906		J.W. Carr ‘Words from Northwest Arkansas’ in DN III:iii 155: scoot, n. Rascal. ‘He’s an old scoot’.
1975		G. Underwood ‘Razorback Sl.’ in AS L:1/2 54: Eating Pomfret [Hall] food gives me the scoots.
1997		Share Slanguage.