Drunk Person
noun
If you're so drunk that you'll be paying for it later, it's safe to say you're a drunk person. You're way past being tipsy at this point, and you're definitely going to pay for it… with a hangover in the morning.
This is a combination of 酔う and 払い, put together with some small っ and a rendaku added in because you're drunk.
昨日の夜酔っ払いに絡まれた時、心臓がドキドキしました。
My heart was pounding while I was hassled by a drunk last night.