Refers to using a Morse key, normally made of Brass.
He’s a radio amateur and when he uses his Morse key he chuckles “I’m off to tickle the brass”. - Early Morse keys were made of solid brass and Bakelite. When operators would be known for tickling the brass.
Expression used to imply being the first person to do something that was previously viewed as impossible.
In 1903, the Wright Brothers were tickling the moon by inventing the airplane.
The act of getting off on greasy pubes flossing your cock deprived mouth and gums to the extent of depression when not getting your daily dose of fellatio forestry.
I didn't get my teeth tickles in 3 minutes Susan, take the gun you know what to do.
When a food or drink tastes very good
This ice cream really tickles my balls
When you tickle your pen hard until it gets ink everywhere
Guys I just tickle penned last night and it inked everywhere
Beating your meat, jerking off, skinning your carrot, tugging your slug, masturbate
Alright, I’m calling it a night, I’m gonna go tickle my bongo.
Manually stimulating your girlfriend as she is driving. For guys it's "road head" and so for females it's "road tickle".
George : Hey guess what happened last night ?
Henry: What ?
George: My girlfriend and I were driving to the movies last night and we almost got into an accident because I was giving her a little road tickle.