過 (Kanji for surpass / too much)

You can put 過ぎ after pretty much any 'masu-minus' verb to mean 'too much'.

Onyomi

KA	My CAR surpasses yours.

Mnemonic

Sauron moves his goatee around too much. It is unnerving.

Kunyomi

( で ) す＊ごす	spend time on something fun, as like a hobby: spend time with loved ones, or with a rad book or an awesome pet. ★★☆☆☆
( を ) す＊ぎる	to surpass, literally (be ahead of) or figuratively, (surpass our goals) ★★★★☆

Jukugo

過去形(かこけい)

the past tense ★★★★☆
過去 (the past) + 形 (form) = 過去形 (the past tense)

飲み過ぎ(のみすぎ)

drunk too much! ★★★★☆ SUF
飲 (drink) + 過 (surpass / too much) = 飲み過ぎ (drunk too much!)

drink too much. But really you can put "SUGI" after pretty much anything.

過剰(かじょう) XXX

excessive XXX ★☆☆☆☆ PRE
過 (surpass / too much) + 剰 (excessive) = 過剰 (excessive XXX)

PREFIX (sometimes SUFFIX!) meaning excessive - sometimes as in an overdose of drugs, an excess of personnel, but usually an excess of an attitude or behavior. This prefix is the only time you'll ever see the 剰　kanji.

過 surpass / too much

Onyomi

Mnemonic

Kunyomi

Jukugo

Synonyms