1 definition by SewSAHMmy

Abbriviation for seam penis

A bulge or wrinkle in the seam of a skirt that look similar to the bulge in a mans pants. Often caused by the misplacement of a dart or seam when sewing.
I screwed up when I drafted this pattern, now I've got a huge seamis.
by SewSAHMmy December 14, 2016
Get the seamis mug.