godan verb (-mu)
have a smoke; take a puff
Casual expression for smoking a cigarette or taking a short smoking break. Often used in informal conversation.
ちょっと外で一服飲もう。
Let's go outside and have a smoke.
Compound of 一服 (いっぷく, 'one dose' or 'a puff') and 飲む (のむ, 'to drink' or 'to inhale'). The verb 飲む is used idiomatically for smoking, similar to 'drinking in' smoke.