godan verb (-su), transitive verb
skip out on a bar bill; dine and dash (drinks)
Specifically for leaving a bar or restaurant without paying for drinks. Colloquial and somewhat slangy.
あいつ、また飲み倒したらしいよ。
I heard that guy skipped out on his bar bill again.
godan verb (-su), transitive verb
drink oneself to ruin; drink everything vigorously; get wasted
Can mean drinking so much that one ruins one's health or finances, or simply drinking heavily and finishing all the drinks. The cross-reference to 飲み潰す suggests a similar meaning of drinking to excess.
See also: 飲み潰す (のみつぶす)
彼は酒で身を持ち崩し、ついに飲み倒してしまった。
He ruined himself with alcohol and finally drank himself to ruin.
パーティーでワインを全部飲み倒した。
We drank all the wine at the party.