When a male is unable to maintain an erection for the duration of sexual intercourse, It may start off hard, but undergoes a physical transformation similar to that of dry pasta boiling in water, ending up with the rigidness of a noodle.
John had too much whiskey on his date with Kathy and ended up with a case of pasta penis in bed.
verb - to de-munchify - the opposite of getting the munchies from smoking marijuana. instead, first one gets extremely full on food, then smokes the marijuana.
Tom was so full after dinner, he smoked a joint to de-munchify.