soloflex 

Verb meaning to go somewhere or do something alone.

No one wanted to get a taco with me so I had to soloflex.

soloflex by Mustard Bizzle October 10, 2007

solo flex 

to masterbate. said by rapper T-Pain in the remix to the song "Hit Em With The Flex" by the Party Boyz

Dave: "Yeah, it my girl's time of the month"
Mike: "Guess you won't be getting any for a few days!"
Dave: "Hell yeah man. I'm gonna have to hit that solo flex tonight."

solo flex by BigBlaaaaack April 11, 2010