look up any word, like swag:
 
2.
to impregnate a girl/woman
"i love her man. i think i wanna fill her up"

past tense: filled her up
by rob, tiny tom, taran February 03, 2009
 
1.
when a man fills a woman's vagina with his penis
"hey, did you get some last night?"

"hell yea, i got to fill her up"
by rob, tiny tom, taran February 03, 2009