suck up, suckle, absorb, sop up, soak up, suck in, imbibe, give suck, breastfeed, suction, more...

blow, exhale

poor, weak, long, good, first, little, stronger, quick, last, young, deep

suck on,   drink with a straw,   use a straw,   lick it,   slurp it up,   squeeze out poison,   to be bad at,   vacuum (up)