Beer, ale or any foaming, yellowish alcohol of good quality.

When you drink a beer too fast and it results in regurgitation, not from being drunk but from the build up of beer foam inside your stomache.

When a girl sucks out an anal creampie and proceeds to blow another guy with her mouth full of the shit stained cum leaving a bubbly brown coated shaft that looks like a mochachino

A foam sword is weapon used during reenactments, cosplay and Larping activities. Basically a foam sword is a safe weapon that can be used to mark ones space and participate in safe combat. Foam swords come in all forms and density depending on the event. A foam sword can at times be covered by latex, by rubber,by nylon or by duct tape. The rules of fabrication also greatly varies as each event has their own set of rules of engagement. But no matter the construction or the look, everyone loves to wield a sword.

- Epic Armoury Unlimited

The best type of mattress hands down. Much superior to spring mattresses. Nothing can compare to a foam mattress when it comes to comfort. However when you buy a foam mattress you are also making the statement that sexy time isn't reserved in the bed anymore, this is more of a pro than a con really (vanilla sex = booorinng).

When one drinks beer too fast and spits up a bunch of beer foam.

A steroid user who thinks he is big