man flu
Also the male equivalent to a woman's fake headache -- though more widely used getting out of bad dates, chick flicks and other woman oriented activities than to avoid sex with the significant other.
"I am pretty sure Don gave me a man flu story because he didn't want to go to Sally's bridal shower with me."
man flu by dudelookslikeachimp January 11, 2008
Get the man flu mug.