Green’s Dictionary of Slang

tootle n.

the penis, thus fig. a male homosexual.

1998

P. McCabe Breakfast on Pluto 73: It must be said and firmly insisted upon that tootles did not truly attend with interest.

In compounds

tootle-merchant (n.) [merchant n.]

a male homosexual.

1998

P. McCabe Breakfast on Pluto 70: When you [...] are afraid every time some tootle-merchant puts his lips to your ear.