Green’s Dictionary of Slang

— this! excl.

[euph. for fuck this]

(US campus) used in comb. with a n. to negate the previous speaker’s suggestion, e.g. ‘Let’s play pool.’ ‘Pool this! I’ve got work to do.’.

[US]P. Munro Sl. U. 191: — this! Shut up! Leave me alone! (used in response to a remark or suggestion).