look up any word, like fuck boy:
 
14.
When you and your friends are driving around playing mailbox baseball and you and or one of your friends swings at the mailbox and hits it completely off the post.
Damn Brett that was a nice swing. I think you just hit a homerun!
by Jon W May 04, 2007
 
1.
To accelerate through first base (french kissing), onto second base ("heavy petting") to third base (oral sex) and finally coming around to home plate (sexual intercourse).
Wow, hit a home run with Sheila tonight, gimme a high five Barry!
by Cayle Funck October 10, 2003
 
2.
1. To have sex with
2. To hit a baseball or softball over the fence
1. "Me and TJ finally fucked last night when we were chillin at his friends house."
2. What I'ma do this softball season
by amaran January 20, 2004
 
3.
1. to have/had sex. to get laid
2. a condom
1. Yeah, me and that breezie rounded the bases and I hit a homerun.

2. If you goin' to the club, gotta keep the homerun in ya back pocket.
by brandoneezy March 21, 2005
 
4.
To engage in the act of sexual intersourse, can follow the other bases but doen't have to
I scored a home run with that bitch
by unknown April 03, 2004
 
5.
To Fuck
"I hit a home run with Jenna last night."
by Jam King 1234 June 17, 2009
 
6.
When you skip to the fourth base with someone, or complete all four in quick succession.
How was last night with Linda?
It was great, hit a home run.
by randomnedwards October 18, 2010
 
7.
Either to:
1. Fuck a girl while walking somewhere
2. Fuck a random girl on the way to her house
3. Fuck a girl so hard it takes an hour for the cum to leak back out
Johnny was giving Mary a homerun on the way back from the bar.
by Harry Toba February 03, 2014