Green’s Dictionary of Slang

abscotchalater n.

[var. pron. of absquatulate v. (1) + SE sfx -er]

(US) one who runs away.

a.1876		H.O. Manton Slangiana n.p.: Abscotchalater – one who is hiding away from the police.
1889–90		Barrère & Leland Dict. of Sl., Jargon and Cant.