Green’s Dictionary of Slang

1. a male masturbator.

2000		Guardian G2 7 Mar. 13: One of the finest chapters [...] ‘Germaine Greer’s Bumhole and the Psychology of Wanking’, compares Greer’s diatribe against ‘tuggers’ in her book The Whole Woman to ‘laughing at spastics.’.
2003		McGill Reed Dict. of N.Z. Sl.

2. (N.Z.) a term of abuse.

2003

McGill Reed Dict. of N.Z. Sl.

3. (US) a masseuse who also masturbates her male customers for a fee.

2014

E. McNamara ‘Authenti City’ in ThugLit Sept. [ebook] Every massage parlor is a flophouse for the tuggers.

4. see coat-tugger under coat n.