Speculation

[Sarah]

An unidentified substance, resembling jizz, that appears somewhere it is not normally found.

[Vania]

The forming of a theory or conjecture without firm evidence.

[Jessica]

When you make [a spec] out of you, and [some guy] named [lation].

[Agnes]

See turnover buying.

[Greta]

the activity of guessing possible answers to a question without having enough information to be certain: