筆芯電
simp笔芯电bat1 sam1 din6bǐ xīn diàn
English
- AA battery; a term to describe flat-chested females
- AA or AAA cells
粵語 — Cantonese
- 通常指AA或AAA型嘅電芯（量詞：粒）
Examples
入多粒筆芯電先夠。
You need to put one more battery cell inside.
Sources: cc-canto, rime-cantonese, words.hk