rail snail
A person who frequents trains lurking in shadows and bathrooms giving sexual favors to passengers and employees to liven up their travel experiences.
My friend got clap from that rail snail, they sound slow but they strike fast.
Watch out for that rail snail, she’ll derail you!
Watch out for that rail snail, she’ll derail you!
snail rail
Doing a line of blow off a hooker's or woman of questionable intent's nether region.
I did a snail rail last night, and now my nose itches.