To strike ones penis against anothers forehead resulting in an audible "thump". Often used to test the erection level of the penis.
Synonyms for Density Check
On this page, you will find 30 slang terms related to Density Check. Some of the top words include: Density Check, Flopanini, mushroomstamp, Mushroom Stamped, meat slap, and 25 more.