a one night stand gone wrong; horrible sex with someone you never want to see again
I picked up a guy at the bar last night and he was a Jimmy! I called a cab before he woke up!
by Mandy Pavlov October 21, 2012
someone who is just inbetween ugly and cute . used to describe someone who you just don't know how to describe them without sounding mean .
" omg ; did you see that kid? he was a jimmy ! "
by pokerplayer2222 March 24, 2007