An insult offending ones lack of ability to grow facial hair. When a subject lacks the ability to grow facial hair, it is often an indication to their age.
Don't give that boy a cup of beer; he's only a Squab.
Flaming homosexual male. Supergay. Only ever used in one word exclamation when gaydar goes off. Can be elongated to emphasize just how flaming someone is. Inspired by a funny Two and a Half Men episode (it had nothing to do with gay people).
The squid version of ATV riders usually found in the parking lot making adjustments to an imagined problem and not really riding their ATVs. Squabs are generally adorned in very flashy helmets, jerseys, and other ATVgear.
Those squabs would get more use out of their fuel if they spent more timeactually riding and not just playing with their throttle.