磕糖

(slang) to revel in the sight of one's favorite couple being affectionate / to lap it up when one sees a couple whom one ships kissing or cuddling

to tap / to knock (against sth hard) / to knock (mud from boots, ashes from a pipe etc)

variant of 嗑[ke4]

sugar / sweets / candy / CL:顆|颗[ke1],塊|块[kuai4]

old variant of 糖[tang2]