look up any word, like lemonparty:
 
1.
a euphemism for sex, popularized by Marvin Gaye in his classic "Let's Get It On"
I've been really tryin , baby
Tryin to hold back these feelings for so long
And if you feel, like I feel baby
Come on, oh come on,

Let's get it on
by 108 December 05, 2001
 
2.
To have sexual intercourse
I am getting it on right now on the phone
by Anonymous August 29, 2003
 
3.
having sex
doing it

you get my flow
Dan, go get it on with Susie after the party.
by estizi9 May 11, 2006
 
4.
get something started
I got my popcorn, I got my candy, I got my baby; let's get this movie on
by Anonymous December 05, 2001
 
5.
To fight someone.
"Me and him gunna get it on yo'."
by Diego August 21, 2003