The head of a pin. (Frequently used in size comparisons.) / (slang) An ignorant, naive, foolish, or stupid person. / (slang) A telemark skier.

plural of pinhead

(slang, medicine) Having a head that is unusually tapered or small. / (slang) Foolish; ignorant.

plural of Pinhead

(slang, derogatory) A member of the Provisional IRA.

Whole oat groats chopped into pieces.

To focus on getting correct details which are largely irrelevant.

simple past tense and past participle of count angels on pinheads

present participle of count angels on pinheads

Third-person singular simple present indicative form of count angels on pinheads