Top Definition
To prevent the act of intercourse between a male and a female, usually done by one who is hatin'.
"Denise says her moms never lets her stay out past midnight."
"Tell her moms to stop blockin!"
by =nEo= July 20, 2004
-makin blocks thru tha hood to see wutz poppin
-stoppin a nigga from fuckin somethin
man i almost hit kary last night but her brother was blockin.
carl-watchu doin
d-aint shit, jus blockin rite now finna shoot out.
by d-mane April 16, 2008

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