For a second you were here, now you over there
This could mean two things
It might be foreshadowing the following two lines suggesting that the girl is dancing awkwardly (or outlandishly), which is caused by her lack of self esteem as a whole, because she’s never had a positive, loving, experience with a partner
If you’d like to translate it into a deeper meaning — the girl is jumping from relationship to relationship because each guy has been wrong for her.
To help improve the meaning of these lyrics, visit "How to Love" by Lil Wayne Lyrics and leave a comment on the lyrics box