When a group of sailboats gather for a weekend to get way boozed
Weekend raft ups are common in the Potomac river.
by One Smart-ass redneck September 28, 2014
1 more definition
When two or more boats are tied together. Commonly used among boaters to say we want to chill
Hey man lets go raft up on the sandbar and get shit faced
by CaptainJack94 March 10, 2011