1. A sexual act in which a male showers his partner in a bath of semen so it looks like his partner has just eaten custard.
2. A common euphemism to describe freshmen's interest in custard (the dairy product) while insinuating an interest for getting drunk
1. "I'm so gonna get custardfaced tonight," Nick said to me with zest.
2. Nick, you're totally getting custardfaced tonight!