to tickle someone or to feel ticklish

an uncomfortable sensation on the skin that causes a desire to scratch; the medical condition of pruritus

to experience an irritating or tingling sensation on the skin that causes a desire to scratch

(idiom) to not affect someone; irrelevant; of no importance; insignificant

(fig.) to itch (to do something)

literally not hurting or itching; a vague physical sensation that is minor or hard to pinpoint

to scratch an itch

significance, consequence, or degree of importance

literally scratching an itch from outside the boot; failing to get to the heart of the matter or address the root of a problem; beside the point

to tickle

to itch to demonstrate one's skill

to scratch an itch

to be ticklish

backscratcher (made from bamboo etc)

of no consequence; irrelevant to one's vital interests; trivial

to be past worrying or indifferent to problems or debts because they have become so numerous

scrapie (a prion disease of sheep and goats)

scrapie (prion disease of sheep)

To be past worrying about problems, criticisms, or debts because they have become so numerous that one has become numb or indifferent to them.

to feel a strong urge to do something

of no importance or having little impact on a situation

scrapie (prion disease of sheep)

a medical condition or symptom characterized by persistent and intense itching of the skin

(coll.) to need a spanking

scrapie (prion disease of sheep)