buck (n.)
- antelope
- assault
- battle
- bear
- billy
- bloke
- blood
- boar
- bone
- boodle
- boost
- bounce
- bound
- boy
- brass
- bray
- bread
- bub
- bucks
- bud
- buddy
- buffet
- bull
- bullock
- bump
- bunny
- bunt
- butt
- cabbage
- camel
- camelopard
- capriole
- caribou
- chap
- chips
- clear
- clotheshorse
- cock
- cockerel
- colt
- combat
- contest
- cottontail
- coxcomb
- crowd
- crush
- cub
- curvet
- dandy
- deer
- dig
- dinero
- dismount
- dispute
- doe
- dog
- dough
- drake
- drive
- dromedary
- dude
- duel
- eland
- elbow
- elk
- entire
- fawn
- fellow
- ferry
- fight
- fish
- fledgling
- force
- gander
- gazelle
- gee
- gelt
- gent
- gentleman
- gilt
- giraffe
- gnu
- goad
- goat
- gobbler
- grease
- green
- guy
- hand
- handspring
- hare
- hart
- hartebeest
- he
- he-goat
- hind
- hobbledehoy
- hop
- horse
- hump
- hurdle
- hustle
- jab
- jack
- jackrabbit
- jam
- jete
- jig
- jog
- joggle
- jolt
- jostle
- jump
- kale
- kid
- lad
- laddie
- lapin
- leap
- leapfrog
- leporide
- leveret
- macaroni
- master
- moolah
- moose
- morris
- nanny
- nudge
- ointment
- okapi
- oof
- pack
- peacock
- poke
- pounce
- powder
- press
- prod
- punch
- pup
- puppy
- push
- rabbit
- ram
- rattle
- reach
- reindeer
- rhino
- rival
- rocks
- roe
- roebuck
- rooster
- run
- sawbuck
- sawhorse
- schoolboy
- shake
- she-goat
- shekels
- shoot
- shoulder
- shove
- simoleons
- skin
- skip
- smacker
- sonny
- spring
- springbok
- stag
- stallion
- start
- steeplechase
- steer
- stress
- stud
- studhorse
- sugar
- tamp
- thrust
- tin
- tom
- tomcat
- tote
- transport
- traverse
- trestle
- trestlework
- tup
- vault
- wampum
- wether
- whelp
- wildebeest
- workhorse
- youth
buck (v.)
- antagonize
- assault
- battle
- bear
- blood
- blunt
- bone
- boost
- bounce
- bound
- bray
- bread
- bud
- buffet
- bull
- bulldoze
- bump
- bunt
- butt
- cabbage
- capriole
- chap
- chips
- clear
- cock
- combat
- comminute
- contest
- convey
- cram
- crowd
- crush
- cub
- curvet
- deer
- depose
- deracinate
- dig
- dislodge
- dismount
- dispute
- dog
- drive
- duel
- elbow
- elk
- fawn
- ferry
- fight
- fish
- force
- gee
- goad
- grease
- green
- guy
- hand
- hare
- hart
- he
- hind
- hop
- horse
- hump
- hurdle
- hurtle
- hustle
- jab
- jack
- jackrabbit
- jam
- jig
- jog
- joggle
- jolt
- jostle
- jump
- kid
- leap
- leapfrog
- master
- moose
- negotiate
- nudge
- oof
- oppose
- overleap
- pack
- poke
- pounce
- powder
- press
- prod
- punch
- pup
- push
- rabbit
- ram
- rattle
- reach
- repel
- rival
- run
- shake
- shoot
- shoulder
- shove
- skin
- skip
- spring
- stag
- start
- steer
- stress
- stud
- sugar
- tamp
- thrust
- tin
- tom
- tote
- transport
- traverse
- tup
- unhorse
- unsaddle
- unseat
- uproot
- vault
- whelp
- withstand
A buck of the first head.