tweak freak
nounEtymology From tweak + freak. Chosen for the rhyme.
1
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences Derogatory, Slang A person who modifies software or hardware in order to enhance its performance beyond their normal and acceptable standards.
2
Drugs, Medicine, Pharmacology, Sciences Derogatory, Slang A regular user of methamphetamine.