weenie (Noun) — A smooth-textured sausage of minced beef or pork usually smoked; often served on a bread roll.
weenie (Noun) — Obscene term for penis.
weenie (Noun) — (informal, derogatory) someone regarded as weak or unimportant.
weenie (Noun) — (computing, informal) an avid but immature participant who disrupts orderly conversation on bullet boards or Internet chat groups.