Its when a man is getting a blow job and his partner has a pepper in their mouth forcing the pepper and seeds of pepper into the hole and sucking them back out to end the Wet Back Head.
Man, i woke up this morning and my dick was on fire. Must have been that wet back head i got last night.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.