quick guide for high score:
grab the socks
do 10 input in the green area (in a row) to get timed bonus
mash until you get the meter shiny
keep the meter shiny for a few second to get edge bonus
get the meter as close to full as possible then mash release, jump, grab, masturbate, release to get both air and release bonus (i use jkjkj, and you can mash a few extra in case the meter wasnt full enough)
this should grant ~100 x 5
repeat 2 more time, one off them should hit the cookies for another bonus
to have enough time to get 3 cum, try to fit 2 input in the green block in one go when the indicator is slow