Johnny Manziel continued to crush it this weekend ... partying his face off at a pool party in Austin with a smokin' hot chick ... who appeared to be clingin' to the NFL star for dear life.
TMZ Sports has footage from Rio Austin -- a rooftop pool, restaurant and lounge -- where the Cleveland Browns QB kicked it before attending the NBA finals game in San Antonio on Sunday.
Sources at the party tell us Johnny was having a blast -- and just by looking at the pics, you can see why.
Love this guy.
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