Green’s Dictionary of Slang

dillweed n.

[ext. of dildo n. (1)]

(US campus) a fool.

Usenet misc.consumers Mar. 🌐 arrgh--this dillweed even ADMITS this letter supports our claim of giving written notice.
[US]Eble Campus Sl. Mar.
[US]Da Bomb 🌐 9: Dillweed: A dumb person.