Semi-boner Edit Meaning

1.

When ones penis is no longer erect, possibly either after blowing ones load, or just losing an erection. A semi-boner is often used for playfully slapping ones friends in the face while they sleep for a hilariously good time.

To try and piss my friend off, I got a semi-boner and helicoptered it around in his face.

See semi-boner, boner, erection, helicopter

2.

A semi-boner is when a man's penis is no longer erect after blowing his load or just becoming aroused.

Some guys get a semi-boner to playfuly slap each other in the face with it.

See boner, semi-boner, semi, dick