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Ranch On My Lap is an expression used to describe when semen is present on the area located on or near the pelvic region to which an individual may exclaim when questioned about its origins.

The expression is usually exclaimed by those whom has had an orgasm in their pants.

Also known as ROML
Real life usage:

Girl: Whats that white stuff on your pants ?
Guy: It...Its.....Its "RANCH ON MY LAP !!!"
Girl: Okaaaaaaaaay..............

Online usage:

Bob says: Where have you been, afk ?
Jalen says: Yes, ROML.........
by DanElKushwizdaLyricalFauxpas September 12, 2011
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