Noun
Alternative form of wienie (“sausage”)
(slang) Alternative form of wienie (“penis”)
(slang) Someone weak and unimportant, a wimp.
(slang) A geek or nerd, especially a computer user with a deficient social life.
(collectible card games, slang) A small creature which has a low cost to put into play, often used in a swarm with other such creatures.
Source: en.wiktionary.orgClearly, the tattoo-festooned guy who branded me thought mine was a bit of a weenie tattoo. Source: Internet
It’s too teeny weenie. Source: Internet