A wad can refer to different things depending on the context. Here are some possible definitions:

• A small mass, lump, or ball of anything, such as a wad of paper or a wad of tobacco.
• A soft pad or plug used to hold a powder charge in a gun or cartridge.
• A considerable amount of money.
• An excessive amount of opaque fluid often referred to as semen, cum, jizz, man milk, and/or wang extract, that is projected out of the male genitalia at sexual climax.

The meaning of "wad" can vary depending on the context in which it is used.