Top Definition
1. When a man is flirting with a woman. Another man sees that they are flirting and begins flirting with that women, exclusively to the first man. This prevents the first man from getting sex with the woman.
2. A man who is trying to prevent another man from getting sex. He does this by flirting with the girl the original man planned on having sex with.
1. I was real close to getting her in bed, until Johnny walked in and turned it into a real twotblocker.
2. That chick had a thing for me, until the twotblocker started talking to her.
by fushahb20815 May 17, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.